lmfao is a short term for: laugh my fucking ass off

usually used in text messages
example

mom: how do i get cooler? son
son: lmfao why would you want that?
mom: NO CURSING!
by deadsticks October 16, 2021
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Simply the evolution of LOL, that means "laughing my fucking ass out", cause your wan't a light version here is two

links to very known and similar definitions: ROFL, LOL.
"when your watching pewdiepie and just understood a low budget joke"
LMFAO XD
by AndREKT6969 May 15, 2018
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Slang: LMFAO
Normal: Laughing My ass Out
Me: tell a joke
John: ok
John: tells joke*
Me: LMFAO 🤣🤣🤣🤣
by IDК September 13, 2022
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Mia you’re Naise LMFAO
Big bloody pad: Mia you’re Naise LMFAO
Mia: Naise I’m a Mia I’m koi I’m LMFAO
by Big bloody pad July 11, 2021
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"LMFAO I-" is used by the girls who think that they are a "baddie".
this is often followed by a series of emoji's that are often like this 💖💓💕💅😍😻😹 .
only annoying little girls who think that they are "cool" or "edgy".
*random person* - *says something un-funny*

*"baddie" * - 'LMFAO I-'

*"baddie"* - 'that was SOO funny, like- 💖💓💕💅😍😻😹'
by Hailey2368 September 11, 2020
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