A word people text with a straight face -__-
people will just have a blank face on looking like this -_- . Hey I saw a unicorn fucking a smurf ... *person texts* lmfaooo -_-
by Itsallogornow January 08, 2015
1) A hip hop band that made Party Rock and I Am Not A Whore
2) Laugh my fucking ass off
Person 1: Did you see the link I sent you?
Person 2: Yeah, I was all like LMFAO
by MyiPhoneBroke December 13, 2013
LMFAO is a popular pop band that has written well-known songs such as "Shots", "Party Rock Anthem", "Sexy and I Know It", and "Sorry For Party Rocking". The two lead singers have afros and are named Red Foo and Sky Blue. Their two most popular albums are "Party Rock" and "Sorry for Party Rocking"
Dude! Did you hear that song by LMFAO? It rocked!
by nerdygirl88 May 23, 2012
LMFAO is an acronym, abbreviation or slang word which stands for "Laughing My F***ing Ass Off"

LMFAO is an American electro pop duo consisting of rappers, producers, dancers, and DJs Redfoo and his nephew SkyBlu.
"Did you watch the LMFAO perform on stage?"
"I got an F on my test" I then said to the teacher "LMFAO!" (In this case L stands for Laugh not Laughing)
by al qaeda March 14, 2012
lmfao meens:

Laugh
My
Fucking
Ass
Off

there is also a group called LMFAO. they are good. check them out. ;)
angela: did you hear about lauren falling down the stair at school?!?!

ariel: LMFAO.
by angieeeeeeeee9 September 11, 2009
1.stands for Laughing My Fucking Ass Off
2.the famous american electro pop duo (Redfoo and SkyBlu)
-Hey, do you know LMFAO?
-Yes, they rock!
by Nuke's Lab December 04, 2011
1. Laughing My Fat Ass Off
2. Laughing My Fucking Ass Off
bob says: boomshackalacka
rick says: lmfao!!!
by Antimo November 09, 2008

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