showing only Slang/Internet Slang definitions ( show all 7 definitions) Note: We have 1 other definition for ISTG in our Acronym Attic. What does STG mean?U Jelly is often used to goad someone online or in-person because you possess an article that they do not have, or because you have attained some kind of gamer achievement or minor online fame. Also, Check What Does SNM Mean In Texting? What Does ISTG Mean and How Is It Used in Real Context? The use of shortened phrases is a popular way to communicate in text messages and online conversations. The term comes from “shipping” within fandom culture. If you see someone using ISTG when texting, they’re probably emphasizing how serious they are about something. ISTG and OMG can also be used interchangeably often. "Meaning; ISTG: I Swear to God: ISTG: Immigrant Ships Transcribers Guild: ISTG: Information Storage Technology Group (University of Twente; Netherlands) ISTG: Inter-Site Topology Generator: ISTG: Implicit State Transition Graph: ISTG: Integrated Systems Tech Group (Tampa, FL) ISTG: Innovative Science and Technology Group (est. '. ISTG=Make a PromiseWhat Is ISTG Meaning in SlangIstg Slang Usage (Examples and Use Cases)ISTG Meaning on TikTokISTG Meaning SnapchatFAQs on ISTG Meaning1. Get all the news you need in your inbox each morning. The”I” is the person who is saying it, while”F” is an expletive “F” can be an exclamation point added to the expression. 4. ILYSM can be used to express profound affection. Its meaning is “I Swear To God,” and it is commonly used to add sincerity or emphasis to a statement. When someone doubts something you said, using ISTG is a way to make a solemn oath that most people respect and are more likely to believe. Complaint Of Patient Data C. U Jelly has become a very popular expression, and because of its viral spreading nature, it has achieved meme status. This abbreviation is typically used to express surprise, confusion, disbelief, or. ”. Meaning. Meaning. Alternatively, you might say ISTG to show exasperation or frustration at something someone is telling you. The abbreviation “ISTG” is a shorthand. Usually, students or the young generation use this acronym. This phrase is often used on social media while making public posts or in private chats. The phrase originated as a method for people to express a greater level of certainty about a statement they’re making in a conversation. ISTJ types like to have clear goals and realistic deadlines, and to work with factual data to solve problems and monitor progress. Jamie Grill / Getty. ISTG Unveiled: Introduction to the Slang. The abbreviation ISTG is widely used in text messaging and online chat with the meaning "I Swear To God. They are there for each other on the good days and the bad days. 2006)Texting with friends is the best way to use this term. ISTG Meaning What Does “ISTG” Stand For? If you’ve ever seen “ISTG” in a text message or on social media, you might be wondering what it means. Similar to “I Swear To Fucking God” istfg, in that it is an escalation of the original term “I Swear To God” istg. ISTG. LFG meaning: let's freaking go. FYP means For You Page. In a different context, “sw” can also mean “someone who. ISTG stands for: I Swear To God. FOMO meaning: the fear of missing out. STFG stands for Super Teacher Friends Group. This is a casual phrase that many people use both online and in real life (imagine someone exclaiming “I swear to God!” when they’re frustrated or emphasizing a point). It can be written in both lowercase “istg” and capital “ISTG” letters. When someone uses ISTG, they are essentially emphasizing. How Is ISTG Used? Use Cases & Examples. ISTG can be used in various contexts and can have different implications depending on the conversation. Person1: I'm so exhausted. Let’s talk about the other meanings of this common abbreviation and find out what it means for different people in different contexts. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. ISTFG. ”. It’s similar to the term ‘ONG. ISTG is commonly used in text messages and other social media conversations as a way to emphasize the truth or sincerity of a statement. ”. “ISTG” stands for “I swear to God,” and it’s commonly used in texting to express the seriousness of a situation or to assure someone that you’re not joking when. " “ISTG” meaning over text message. Specifically, as internet usage is increasing daily, people. Capitalization The slang term and abbreviation “ISTG” is typically spelled in ALL CAPS or all lowercase letters. One of the main uses of ISTG is in text messages or chats, either between friends or in a. Key Takeaways: ‘ISTG’ stands for “I Swear To God” and is commonly used in text messages and online chat. IYKYK meaning: if you know, you know. ISTG. It is used to emphasize a statement, a promise, or a claim, to express frustration, or to make a solemn vow. It can be used to convey sincerity, make promises, express annoyance, and more. "I swear to. By using “ISTG,” individuals can emphasize the sincerity or truthfulness of their statements, especially when sharing surprising facts or. Use Cases & Examples. Gunna explained that the ‘P’ stands for ‘player,’ although it can also stand for. What does ISTFG mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: ISTFG. ”. It can also be used as an expression of sincerity, such as when a user is making a promise or expressing their. ISTG is an abbreviation commonly used in text messaging and online communication, particularly among younger generations. ISTFG, if you don’t stop playing your music so loudly, I’m going to lose it. What does ISTG mean? ISTG means “I Swear To God”. 2. Throughout the years, a variety of terms have arisen which make it easier to communicate online. What Does Istg Mean In Text? I swear to God ISTG means “I swear to God. . ISTG is an acronym used in texting, which stands for “I swear to God. ”. The ISTG acronym is commonly used in response to a person who doubts something that you said. So, if you ever heard OMG (O My God), another popular acronym, ISTG won’t surprise you anymore. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. Promise. It is commonly used in text messaging to express the seriousness of a situation or to assure that a statement is not a joke. This initialism should be avoided in professional situations or in conversing with someone who is religious. It’s a widely used acronym in text messaging and online chatting on social networking sites. One of the known acronyms is “ISTG” or “istg”. It is used to express frustration, anger, or disbelief. What does ISTG mean in the text? Ans. I swear to f**king god (ISTFG) is an abbreviation used to express exasperation, disbelief, or agreement. ISTG has multiple definitions that can be used in various settings. ” It is commonly used in text messaging and online chat to emphasize the truth or sincerity of a statement. You’ll find it all over the internet, from social media platforms like twitter and instagram to direct messages between friends. The”I” is the person who is saying it, while”F” is an expletive “F” can be an exclamation point added to the expression. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. TLDR meaning: too long; didn't read. This is only for close friends. I just won the jackpot on the lottery ticket I bought yesterday, ISTFG! 5. Matching search results: Since the STG meaning is often expressed fully when in a verbal conversation, the term STG should only be used in casual conversations via text or on. ”. ISTG is an acronym that stands for ‘I Swear To God. In simple terms, “istg” stands for “I swear to God,” a popular expression used to emphasize the truthfulness or intensity of a statement. ”. ”. ISTG is often used in informal conversations, texting, and on social media platforms. Guarantee. I swear to fucking god. “I swear to God” is a common phrase that people use to show that they are telling the truth or to express their sincerity. But while the slang term ISTG is harmless, other teenage slang terms could indicate that your teen is talking about risky behaviors or communicating with potentially dangerous people. It is an acronym used to emphasize a belief in or commitment to the truth of a statement. What Does ISTG Mean In Texting? ISTG is an acronym used for “I Swear To God. HMU meaning: hit me up. showing only Slang/Internet Slang definitions ( show all 7 definitions) Note: We have 1 other definition for ISTG in our Acronym Attic. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness. ”. ATP meaning: answer the phone. For example, three sample text messages using the abbreviation ISTFG could be: 1. It can often. It is very similar to ISTFG meaning, however, there are additional letters added within the acronym. Simply put,. It represents an empathetic or mildly shocked response to unexpected news or events. ISTG stands for “I swear to God. TLDR meaning: too long; didn't read. There needs to be a TikTok user manual that includes a glossary because new abbreviations and slang words are constantly being churned out and I, a millennial, cannot keep up. Testify. Chronic Osteomyelitis Pathology Degree Embed Share an image of ISTFG » Click to view: Hearing impaired tip:. Definition of ISTG in Slang/Internet Slang. Start the day smarter. In texting lingo, “istg” simply stands for “I Swear To God”. ” It is often used to emphasise the truthfulness of a statement or convey the seriousness of a situation. You can use it to show your deep frustration, attest to the truth of something, or underline your beliefs. ISTG stands for “I swear to God” in texts and on social media apps. What does GM mean in text from a guy?What does df mean in texting? In the realm of texting and digital messaging, “df” usually stands for “da fuq”, a slang and casual form of saying “the fuck”. ISTG Meaning. Usually used after saying something ‘cool’. ISTFG means “I Swear To Fing God,” a phrase used to emphasize sincerity or seriousness when making a statement. What Does ISTG Mean in Texts or on Social Media? ISTG means “I swear to God” in text messages and on social media platforms like TikTok, Snapchat, Twitter, Instagram, and more. It's not typically used in a religious context. Use ISTG to show you’re not joking about something, or to express annoyance or frustration with something (or someone). Summary: · The added I at the beginning just refers to the person that is saying this, so ISTG means “I Swear To God”. Further Reading: What Does NFS Mean: Here Is All-inclusive Information You Need to Know. In contrast to standard text or audio messaging apps, Snapchat offers the unique ability to share fleeting live video messages that vanish as soon as they are. STG means different things to different people but its most common meaning is ‘Swear To God’. In summary, ISTG is an acronym widely used in informal online communication. What Does ISTG Mean? ISTG is an acronym that stands for “I Swear to God”. You might learn your child is using this slang term by chance when a text pops up on the phone screen. So, if you ever heard OMG (O My God), another popular acronym, ISTG won’t surprise you anymore. Further Reading: What Does NFS Mean: Here Is All-inclusive Information You Need to Know. Well, fret not – I’m here to help unravel the mystery for you. ISTG is an internet slang initialism that conveys earnestness, annoyance, or surprise. Read Also: What does CFS mean on Instagram? Common Uses for ISTG . Here's what "ISTG" means and how you can use it in your next text exchange. "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're. This phrase is often used to express frustration or exasperation with a situation or to emphasize the sincerity of a statement. It can be used to express emotions, surprise, or sudden kind of feelings. Matching search results: Since the STG meaning is often expressed fully when in a verbal conversation, the term STG should only be used in casual conversations via text or on social media. ABC – This doesn’t stand for anything. It can also be an expression of surprise or. Its meaning is “I Swear To God,” and it is commonly used to add sincerity or emphasis to a statement. The expression “I swear to God” is used for centuries and originates directly from the Old English word “swear” which means swearing. What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. This phrase is typically employed to express surprise, disbelief or concern over a given situation. Social media platforms: Snapchat, Instagram, Twitter, TikTok, and more. Start the day smarter. Here’s what this multifaceted slang term means and how you may. " It is an internet acronym used in online chat to express frustration, surprise, or vehement assertion. More violent then just I Swear To God Learn what ISTG means in this quick and easy guide! Find out what the abbreviation stands for and how to use it in real life with this simple explanation. Since this is a very casual acronym, avoid using it in. It can be used as an exclamation, where users are expressing disbelief or shock. Having a parental control app on your child’s phone will give you. STFU is an acronym that means "shut the fuck up. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. ISTG means I swear to God. Confused about slang like cap, HB, ATP, and more? We defined some popular TikTok acronyms for you. I Swear to God. suggest new definition. They prefer to work in traditional organisational environments, with people who take their. ETA meaning: estimated time of arrival. This initialism should be avoided in professional situations or in conversing with someone who is religious. ISTG meaning is “I Swear To God” and is one of the most widely used acronyms in the English language. ”. ISTFG. ISTG stands for “I swear to God” and is often used on Snapchat to emphasize a point or express strong emotion. It stands for “I swear to God. Today, I'll walk you through what ISTG means in text. ”. Prison gang. While it may seem like a phrase that you would use in casual conversation, it can be so much more than that. "I swear to. GTFO can be used to express disbelief or displeasure. new search. TikTok lingo is hard to keep up with. This. It is an expression used to emphasize the truthfulness or sincerity of a statement. Page ContentsWhat Is ISTG Meaning1. This acronym often highlights the sincerity, seriousness, or exasperation of the person using it. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. OFC meaning: of course. "I swear to. IMO meaning: in my opinion. This can be seen in phrases like: “ISTG, I’m always here for you” or “ISTG, I’ll never forget what you did for me”. What does B) mean? Back when emojis weren’t a thing, ‘emoticons’ were used to add more emotions to the text. This phrase can be used to swear truthfully without having to use a more serious swear word, such as the word "God". It is commonly employed in informal chats, videos, and posts to show seriousness and truthfulness. 查看翻译. ”. -ISTG that was the best pizza ever! -I put your racket back in your duffle bag istg. It is very similar to ISTFG meaning, however, there are additional letters added within the acronym. The media could not be loaded, either because the server or network failed or because the format is not supported. This phrase should only be used in casual conversation. I swear to God. It's a close relative of the OMG (Oh My God). Essentially, ISTG is a shortcut way of saying "I. It can be used to convey extreme seriousness, exasperation, or surprise, and is usually used outside of a serious religious. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. More violent then just I Swear To GodISTG is an acronym that is short for “I swear to God”. The phrase “I swear to God” has been used for hundreds of years and is basically taken from the Old English word “swear” which means an oath. ’. – What does istg Mean in Text – ISTG is a popular online abbreviation among today’s youth. You will find information about the origin and other possible meanings in all types of information on this acronym, including its. ISTG is an acronym that is short for “I swear to God”. It could be used to show how excited they are or to express. ISTG can be used to express extreme seriousness, anger, or surprise, and is usually used outside of serious religious contexts. This abbreviation is commonly used in informal conversations on various digital platforms, such as text messages, social media posts, and online forums. It is commonly. While the presence of the word “God” might indicate some religious connotation, it’s not a religious term at all. This initialism should be avoided in professional situations or in conversing with someone who is religious. ISTG Meaning. Use Cases & Examples. Swear to fucking god. This is also very similar to. OTP meaning: one true pairing (a couple that fans prefer to all other. ISTG Meaning= Threat Use Cases & Examples. A. Pinky promise. When used in text conversations, ISTG retains its original meaning of “I swear to God. suggest new definition. It’s also like STG. I swear to fucking god. The origin of ‘ISTG’ can be traced back to the phrase “I swear to God,” which. It can be used to express emotions, surprise, or sudden kind of feelings. The texting term ISTG, which means "I Swear To God," tells people that you really do mean what you're saying. " ISTG is used to add emphasis to a statement (usually a promise, threat, excuse or apology), or as an interjection which expresses surprise, skepticism or exasperation (similar to OMG ("Oh My God!") ). Pushin P is a popular phrase in the Bay Area and Texas that was popularized by Atlanta rapper Gunna. new search. Expand Your Lexicon: Discover 5+ Similar Words for ISTFG When it comes to texting, understanding similar. What Does ISTG Mean? Introduction. Here's what this versatile slang term means and how you can use it in your messages and social media posts. This expression is most likely something you've heard in ordinary conversation. It is a reference to swearing or commitment to God that is not something to take lightly as it is a risk that the person who is saying it could be punished in the event of lying. For example: What does ISTG mean? ISTG is an acronym that means I swear to God. It can be used to convey extreme seriousness, exasperation, or surprise, and is usually used outside of a serious religious context. However, as with many other abbreviations meaning "I love you," it should not. ISTG is a slang abbreviation used in online messaging and texting that means 'I swear to God. It’s used to convey a deep sense of seriousness about a situation or to emphasize a point being made. Today, I'll walk you through what ISTG means in text and other text. Get all the news you need in your inbox each morning. 2. It is typically used to show appreciation of an act of kindness by a loved one. By swearing to God, you make a sacred oath that most people respect more and therefore, are more. Like, "ISTG, if I get one more. This is also very similar to. STG: You can swear to god when you are frustrated or in exacerbation. It may sound like a new term to some, but this one is very familiar to social media users. For example, if someone decides to message you with insulting comments about your hair, then you might reply with "STFU. Chronic Obstructive Pulmonary Disease D. The ISTG definition includes a short acronym for a phrase that reads as ‘I Swear To God’. So, the next time you see someone using “istg” in a message or post, you’ll know exactly what they mean. While some text codes (like brb, lol, and omg) are simple ones that parents can understand, it can be difficult for parents to understand many codes teenagers use nowadays. For example, they might say “ISTG this homework sucks. The phrase was later. This phrase has a couple of variants, S2G and ISTG, and is frequently used in texting or on social media. Usage: “Oh nice, you finally finished it! Welcome to the club B)” What does BB mean?What Does ISTG Mean in Texts or on Social Media? ISTG means “I swear to God” in text messages and on social media platforms like TikTok, Snapchat, Twitter, Instagram, and more. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. Use ISTG to show you’re not joking about something, or to express annoyance or frustration with something (or someone). ISTG Meaning. The acronym ISTG is commonly used in text. Avoid using this abbreviation in business or professional settings because it is so casual. Even though the phrase includes “God,” its meaning and uses aren’t considered religious. OFC meaning: of course. Clear Of Patient Diagnosis B. ISTG is an acronym used for “I Swear To God. Whenever a TikTok user opens their app, they are directed to their For You Page, which is a stream of videos that TikTok thinks that user will like. A very dramatic phrase to be used only in exceptional circumstances. Going deeper into its meaning, ISTG sounds quite similar to OMG ‘Oh My God!’. The term is primarily used to emphasize a point you’re making and can reiterate anger or annoyance. As in, I swear that actually happened. I Swear to God. Sub the Gamer security threat group. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. ISTFG means “I Swear To Fing God” and is typically used in informal texting to express frustration or disbelief. On the internet, there’s a lot of jargon and abbreviations that often confuse even the most seasoned internet user. Likewise, if you have ever seen the text code "ISTG" in texting and wondered what does ISTG mean in text. ILYSM means "I Love You So Much. ” Definition: Istfg is an acronym for “I swear to f Up. Looking for online definition of ISTG or what ISTG stands for? ISTG is listed in the World's most authoritative dictionary of abbreviations and acronyms ISTG - What does ISTG stand for?Definition of the term. This is a common acronym that is used online, typically in text-based communication. ONB is an abbreviation commonly used in texting, which stands for “Oh No Baby”. The phrase “so what” is often used to express indifference or dismissiveness about the topic at hand. It's used express emotional sincerity or to seem intimidating. ISTG is an acronym that stands for “I Swear To God”. . It’s a direct and sometimes blunt way of communicating that the information just shared doesn’t impress, affect, or matter to the person asking “so what. This is a group of teachers that are more than friends. ISTG is simply an acronym that means I swear to God. Some of these words and acronyms are used on other video games and social media platforms too. It is used to emphasize a statement, a promise, or a claim, to express frustration, or to make a solemn vow. This abbreviation is commonly used in informal conversations on various digital platforms, such as text messages,. It comes from the courtroom oath that traditionally said, “i swear by almighty god that the evidence i shall give shall be the truth, the whole truth, and nothing but the truth. ISTG Meaning= Honesty or Certainty2. Istfg Meaning Is: Istfg stands for “I Swear to Fucking God. ” Origin of ISTG. Do you know what ISTG means in a text message? Watch this video to find out when to use ISTG in a text message and what it means!What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. The abbreviation ISTG is widely used in text messaging and online chat with the meaning "I Swear To God. Correct: ISTG Correct: istg Incorrect: iSTG Usage Use of the abbreviation can be found in the following places. In summary, ISTG is an acronym widely used in informal online communication. 3. ISTG is used to express frustration or annoyance at something or to show emphasis on a statement. ISTG Meaning= Expression of Disbelief4. ” Origin of ISTG. " The abbreviation ILYSM is used with the meaning "I Love You So Much" as an expression of affection. The slang abbreviation ISTG is frequently used as an interjection to express emotion or as an attestation of honesty. This phrase is used to emphasize the truth of a statement or assertion. "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're. IYKYK meaning: if you know, you know. What does Istg mean in text message . Simply put, “ISTG” stands for “ I swear to God . It’s often used as an exclamation or a way to emphasize something and can be written in lower or upper case letters. While some text codes (like brb, lol, and omg) are simple ones that parents can understand, it can be difficult for parents to understand many codes teenagers use nowadays. ISTG stands for "I Swear to God. " ISTG is used to add emphasis to a statement (usually a promise, threat,. Here’s our round-up of the latest Roblox slang. Origin of ISTG. What Does ISTG Mean? In internet chatting and text messaging, the acronym “istg” actually means the phrase “I swear to God. ” This abbreviation is commonly used in informal conversations on various digital. 1 definitions of ISTG. Specifically, as internet usage is increasing daily,. Usually, students or the young generation use this acronym. This expression is used to emphasize the truthfulness or seriousness of a statement. Definition of ISTG in Slang/Internet Slang. It can be a powerful tool for self-motivation and encouragement. It’s also like STG. ”. ISTFG. "I swear to God" isn't just texting slang – it's used in everyday conversations to emphasize the truth at hand. ISTFG, I can’t believe she actually said that to me. Annoyance and Assurance Another ISTG How to Use ISTG One of the hottest internet acronyms among today's teenagers is ISTG. Summary: · The added I at the beginning just refers to the person that is saying this, so ISTG means “I Swear To God”. It is a stronger version of the phrase “I swear”. One such popular slang on platforms like Snapchat is ‘ISTG’. ISTG is an acronym that means I swear to God. ISTG is short for "I swear to God. Overall, the acronym STG stands for “swear to God. Abbreviation of I Swear To Mother Fucking God. It is commonly used as an exclamation or interjection. In conclusion, “ISTG” is an acronym that stands for “I swear to God. Every TikTok user's FYP. 1 definitions of ISTG. ISTG stands for I Swear To God. What Does Istg Mean? The acronym ISTG stands for “I swear to God. The Meaning of ISTG in Text. ETA meaning: estimated time of arrival. It is often used in informal conversations, especially when expressing frustration or disbelief. The phrase “I swear to God” has been used for hundreds of years and is basically taken from the Old English word “swear” which means an oath. It’s an acronym that people use to express the seriousness of a situation or to emphasize that they are not joking. B) used to be the symbol of a person wearing sunglasses with a smile on his face. ABC means asking another player (or telling another player you’re ready) to make an offer, trade or perform a task in Roblox, such as roleplaying in a game. What does LFG ð mean? LFG as “let’s freaking go” has since become widespread in texts among friends as a way to excite or “hype up” one another about a particular event or situation. What Does “ISTG” Stand For? “ISTG” is an acronym that stands for “I Swear to God. ISTFG. Likewise, if you have ever seen the text code "ISTG" in texting and wondered what does ISTG mean in text. While the presence of the word “God” might indicate some religious connotation, it’s not a religious term at all. HMU meaning: hit. This initialism should be avoided in professional situations or in conversing with someone who is religious. This should not be used in any formal setting, no matter how informal it may seem, via social media or text. ” Kids often use this to express frustration or exasperation. What Does ISTG Mean? In internet chatting and text messaging, the acronym “istg” actually means the phrase “I swear to God. What does istg mean in text. ” How to understand Texting Abbreviations!! LOL and LMAO, SMH, FFS… and all the other ISTG Meaning A short video summarzing the most common. "I swear to. ISTG Meaning= ThreatUse Cases & Examples. It is a commonly used slang expression used to emphasize that someone is telling the truth, or to add emphasis to a statement. It could be used to define the frustration or annoyance you might have towards something or somebody. I’m beyond shocked. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. The “baby” part of the phrase isn’t a literal reference to a child, and. What does 'ISTG' mean? "ISTG" stands for "I swear to God," an acronym usually used to express the seriousness of a situation or assure you're not joking when sharing a surprising fact. What Does ISTG Mean In Texting? Snapchat represents a real-time multimedia communication platform that takes a step beyond traditional messaging applications. ISTG is simply an acronym that means I swear to God. ISTG Meaning= Threat3. What does OTP mean in texting? “OTP” means “one true pair/pairing,” according to Merriam-Webster. " People use it in various places on the internet to tell someone to stop talking or as a gut reaction to something offensive or mean-spirited.