22
A slang term used in online conversations, with the meaning "Laughing My F****** Ass Off"

See lmao and lol.
I heard The Game was excommunicated from G-Unit, and I lmfao at him."
by Charles March 01, 2005
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23
bob says: boomshackalacka
rick says: lmfao!!!
by Antimo November 09, 2008
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24
Gives the same meaning of I ain't on that shit!
used on chatting !
A: this person is insulting you on his blog !
B: whatever!I DON'T GIVE A FUCK :D
A: HE MADE A GAY VIDEO FOR YOU!
B:I DON'T GIVE A FUCK ! I DON'T GIVE A DAMN!
A: -___-'
B : LMFAO !!
by YUS YUS BUM BUM September 04, 2010
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25
Probably one of the best Electro-hop groups known. Every song they have remixed or made is considered a huge success. Most of their songs are well-known throughout the music industry today.

Some of their singles include: La La La, Yes and I'm In Miami Trick.

They have remixed many songs such as Shooting Star, Love Lockdown and Hot N Cold. Their remixes are just as popular as their singles, if not more.
Person 1: Yoooo do you like electro?
Person 2: Nahh man, i hate it.
Person 1: Well you'll like it once you listen to LMFAO. *makes Person 2 listen to Shooting Star*
Person 2: Woahhh man this is the shit!!!!!!!!!!!!!! I love electro now!
by theshootingstar October 27, 2009
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26
LMFAO

Only the most sick band ever! Inventors of Party-Rock. You dont grove to LMFAO, You can suck it!

person 1: I hope I make it to the LMFAO show tonight, But i am Drunk as F***!

person 2: Not an excuse! Party-Rock is all about being an alcoholic!

Person 1: I got a red bull and vodka up in my hand!
LMFAO Rock the beat and rock the show
by dankstar1000 October 21, 2009
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27
i was lmfao
by jessicalinh November 11, 2008
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28
by duck face3 January 22, 2015
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