Internet slang

thumb|Each of the most popular emoji from the 9 major emoji categories according to the Unicode Emoji Frequency study from 2021, rendered in the Noto Color Emoji font

thumb|class=skin-invert-image|upright=0.8|An emoticon portraying a smiling face thumb|class=skin-invert-image|upright=0.8|Examples of kaomoji smileys

thumb|Use of "lol" in a conversation LOL, or lol, is an acronym for "laughing out loud", and a popular element of Internet slang, which can be used to indicate amusement, irony, or double meanings. It was first used almost exclusively on Usenet, but has since become widespread in other forms of computer-mediated communication and even face-to-face communication. It is one of many acronyms for expressing bodily reactions, in particular laughter, as text, including acronyms for more emphatic expressions of laughter such as LMAO ("laughing my ass off") and ROFL or ROTFL ("rolling on the floor lau

thumb|A Wikimedia Hackathon in [[Prague]] A hackathon (also known as a hack day, hackfest, datathon or codefest; a portmanteau of hacking and marathon) is an event where people engage in rapid and collaborative engineering over a relatively short period of time, such as 24 or 48 hours in person or several days online. They are often run using agile software development practices, such as sprint-like design wherein computer programmers and others involved in software development, including graphic designers, interface designers, product managers, domain experts, and others collaborate intensive

thumb|An "eleet hacker" (31337 H4XØR) laptop sticker, along with a "Free Kevin Mitnick|Kevin" sticker

6-7 is an Internet meme, slang term, and gesture that was popularized in 2025 on TikTok and Instagram Reels. It has no fixed meaning.

slang languages used by different people on the Internet

crowdsourced online dictionary of slang terms

Rule 34 is an Internet meme which claims that some form of pornography exists concerning every possible topic. The concept is commonly depicted as fan art of normally non-erotic subjects engaging in sexual activity. It can also include writings, animations, images, GIFs and any other form of media to which the Internet provides opportunities for proliferation and redistribution.

thumb|A lolcat meme using the "In ur ..." format, and employing misspellings for humorous effect A lolcat (pronounced ), or LOLcat, is an image macro of one or more cats. Lolcat images' idiosyncratic and intentionally grammatically incorrect text is known as lolspeak.

Internet slang term denoting content suitability

thumb|Demonstration in support of "fildelning" (file sharing, including of warez), in [[Sweden in 2006.]]

practice that causes a webpage to have a high rank in Google

Newbie is a slang term for a novice, newcomer, or somebody inexperienced in a given profession or activity. In particular, it may refer to a new user of computers, and often concerns Internet activity, such as online gaming or Linux use.

thumb|Stylized uwu emoticon as a blushing face|class=skin-invert-image uwu (), also stylized UwU, is an emoticon representing a cute face. The u characters represent closed eyes, while the w represents a cat mouth. It is used to express various warm, happy, or affectionate feelings.

website intended to offend and/or disgust its viewers

thumb|An example of a femboy

TL;DR or tl;dr, short for "'''too long; didn't read'''", is internet slang often used to introduce a summary of an online post or news article. It is also used as an informal interjection commenting that a block of text has been ignored due to its length.

variety of language and slang with heavy use of abbreviations, commonly used with mobile phone text messaging, or other Internet-based communication such as email and instant messaging.

video genre consisting of edited pre-existing media

event

A sysop (, ; an abbreviation of system operator, and sometimes further abbreviated to just op) is an administrator of a multi-user computer system, such as a bulletin board system (BBS) or an online service virtual community. The phrase may also be used to refer to administrators of other Internet-based network services. Sysops typically do not earn money, but donate their activity to the community.

alt=black and white mug with liquid inside|thumb|mug labelled 'RTFM'

In internet slang, rage-baiting (also ragebaiting, rage-farming, or rage-seeding) is the manipulative tactic of eliciting outrage with the goal of increasing internet traffic, online engagement, and revenue, as well as attracting new subscribers, followers, or supporters. This manipulation occurs through offensive or inflammatory headlines, memes, tropes, or comments that provoke users to respond in kind.

Romanized Arabic alphabet

Internet slang term

Simp () is an internet slang term describing someone who exhibits excessive sympathy and attention toward another person, typically to someone who does not reciprocate the same feelings, in pursuit of affection or a sexual relationship. This behavior, recognized as simping, is directed towards a variety of targets, including celebrities, politicians, e-girls, and e-boys. The term had sporadic usage until gaining popularity on social media in 2019.

Internet meme

Rizz () is an internet slang word defined as style, charm, or attractiveness. It is likely short for charisma, and is often associated with brain rot.

Internet meme

fictional character created by Simon Travaglia. a rogue system administrator who takes out his anger on users

Before the popularization of the Internet in the 1990s, Internet slang defined a luser (sometimes expanded to local user; also luzer or luzzer) as a painfully annoying, stupid, or irritating computer user. The word is a blend of "loser" and "user". Among hackers, the word luser takes on a broad meaning, referring to any normal user (in other words, not a "guru"), with the implication the person is also a loser. The term is partially interchangeable with the hacker term lamer.

sexually active "alpha male"

neologism for someone who benefits from nepotism

thumb|upright=1.35|A visual demonstration of Flanderization; over time, certain features of the character are exaggerated, and the character becomes merely a caricature of their initial self.

illustration used in electronic messaging, typically large

Greeklish, a portmanteau of the words Greek and English, also known as Grenglish, Latinoellinika/Λατινοελληνικά or ASCII Greek, is the Greek language written using the Latin script. Unlike standardized systems of Romanization of Greek, as used internationally for purposes such as rendering Greek proper names or place names, or for bibliographic purposes, the term Greeklish mainly refers to informal, ad-hoc practices of writing Greek text in environments where the use of the Greek alphabet is technically impossible or cumbersome, especially in electronic media. Greeklish was commonly used on th

Gyatt () is a term from African-American Vernacular English originally used in exclamation, such as "gyatt damn". In the 2020s, the word experienced a semantic shift and gained the additional meaning of "a person, usually a woman, with large and attractive buttocks and sometimes an hourglass figure".

Jailbait is slang for a person who is younger than the legal age of consent for sexual activity and usually appears older, with the implication that a person above the age of consent might find them sexually attractive. The term jailbait is derived from the fact that engaging in sexual activity with someone who is under the age of consent is classified as statutory rape or by an equivalent term, and is generally punished with imprisonment.

individual post on the X (formerly Twitter) microblogging service

Delulu () is Internet slang for delusional, specifically for believing that one can influence one's destiny through sheer willpower. It was first used in K-pop communities for those in a parasocial relationship with celebrities, and who had hopes of meeting them. It was adopted by Generation Z and Generation Alpha, popularized by viral TikTok trends such as the catchphrase "delulu is the solulu", that is, self-confidence is key to achieving one's dreams, however far-fetched. Solulu and trululu are slang for "solution" and "truth", modeled after delulu.

erotic fan art based on My Little Pony: Friendship is Magic

A user error is an error made by the human user of a complex system, usually a computer system, in interacting with it; sometimes used jokingly

Vukajlija is a popular Serbia-based slang dictionary. The site mainly consists of often humorous definitions, observations and (not rarely vulgar) explanations of slang terms. It is similar to Urban Dictionary.

Tcharmil (sometimes Tcharmile or mesharmil in French or Spanish) is an expression in Moroccan dialect traditionally indicating a range of marinaded spicy food flavours for meat dishes which includes garlic, olive oil and parsley. It is also a kind of youth subculture, which has gained momentum in recent years among disaffected Moroccan youth.

A mapathon (sometime written map-a-thon) is a coordinated mapping event and a kind of editathon. The public is invited to make online map improvements in their local area to improve coverage and to help disaster risk assessment and energy management.

The term w00t (spelled with double-zero, "00"), or woot, is a slang interjection used to express happiness or excitement, usually used in online conversation. The expression is most popular on forums, Usenet posts, multiplayer computer games (especially first-person shooters), IRC chats, and instant messages, though use in webpages of the World Wide Web is by no means uncommon. The w00t spelling (with double-zero "00") is a leetspeak variant of woot; alternative spellings include whoot, wOOt, wh00t, wewt, '''', etc.

reader who gives feedback on an unreleased piece of literature

() is a derogatory Korean word that is used to pejoratively describe a Southern Korean nationalist. The word is often used to call out nationalists who are overly patriotic and attract negative attention towards Korea.

Wikimedia glossary list article

Sadfishing is a term used to describe a behavioural trend where people make exaggerated claims about their emotional problems to generate sympathy. The name is a play on "catfishing." Sadfishing is a common reaction for someone going through a hard time, or pretending to be going through a hard time. Sadfishing is said to hurt younger people, exposing them to bullying and child grooming. This is due to people sharing their personal and emotional stories online, a practice which sometimes result in the individual sharing the story being targeted by online abusers. Another consequence of this be

slang word

Jejemon () was a popular culture phenomenon in the Philippines. The Philippine Daily Inquirer describes Jejemons as a "new breed of hipster who have developed not only their own language and written text but also their own subculture and fashion."