LMFAO 

Laughing my fat ass off

A: Yo, did you see that new Vine?
B: Yeah, I was LMFAO!

LMFAO by Nurmy March 14, 2016

lmfao 

1. Laughing My Fat Ass Off
2. Laughing My Fucking Ass Off

bob says: boomshackalacka
rick says: lmfao!!!

lmfao by Antimo March 26, 2009

LMFAO 

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 !!

LMFAO by YUS YUS BUM BUM September 4, 2010

LMFAO 

Laughing My Fucking Ass Off

"I WAS ONE SHOT AWAY FROM BEATING THE HARDEST BOSS IN THE GAME!"
"lmfao"

LMFAO by Ran121212 May 15, 2016

lmfao 

"licking my friend's asshole ohyeah"

a: hey man

b: dude i'm lmfao

a: o aight

lmfao by papipapiskeet March 5, 2018

LMFAO 

LMFAO is an electronic music duo popular in the early 2010's, best remembered for their song "Party Rock Anthem". It's also an acronym for "laugh my fucking ass off", used in text to say 'that was pretty funny, my dude.'

Did you know LMFAO was made up of Redfoo and Skyblu? lmfao.

LMFAO by Mari's people May 29, 2018

LMFAO 

LMFAO is an electronic music duo popular in the early 2010's, best remembered for their song "Party Rock Anthem". It's also an acronym for "laugh my fucking ass off", used in text to say 'that was pretty funny, my dude.'

Marissa really thought I wouldn't submit this, lmfao.

LMFAO by Mari's people May 29, 2018