A lengthened, vowel-stretched variant of LMFAO ("laughing my f*cking a** off").
A lengthened, vowel-stretched variant of LMFAO ("laughing my f*cking a** off"). The trailing O's mark intensity — "lmfaooo" reads as a real, sustained laugh, whereas plain "lmfao" reads as a polite acknowledgement that something was funny. Standard on Twitter/X, TikTok comments, and Discord.
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Viral internet speak — memes, ratios, main-character moments, and the algospeak of every platform from Twitter to Reddit to TikTok comment sections.
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Lengthened variant of LMAO ("laughing my a** off"). The trailing O's signal real-laughter intensity — "lmaoo" reads as genuine amusement, whereas the bare "lmao" can read as flat acknowledgement (or even disdain). Variant chain: lmao → lmaoo → lmaooo → lmaoooo, with each step calibrating sincerity.
(Internet slang, text messaging, vulgar) More emphatic form of LMAO.
(initialism, Internet slang) Laughing my black ass off.
(Internet slang, text messaging, mildly, vulgar) To laugh one's ass off.
lmfaooo bro why is the cat just staring at the wall
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(internet slang, uncommon) To LOL.