1 definition by Tim Myers

Top Definition
An abbreviation based on capitalizing the first letters of each word, acronym-style, in phrases commonly used in text messaging or "chat-speak." LOL, or "laughing out loud," is a chatcronym. As is WTF, "What the fuck!"
BRB ("Be right back"),FYI, THX ("Thanks"), and the inimitable and highly obnoxious ROFLMAO ("Rolling on the floor laughing my ass off")(which is, not coincidentally, onomatopoetically related to vomiting). Chatcronyms are to modern teen-tech communication what grunts are to a James Brown vocal: natural, somewhat crass, unselfconscious, and eminently practical. (He was, after all, a "sex machine").
by Tim Myers May 14, 2008

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