look up any word, like donkey punch:
 
29.
Means laughing My F****ing ass off
Lmfao that was funny
by 434231 October 03, 2009
 
30.
An acronym for; Laughing My Fat Ass Off.

Similar to LMAO except the additional F.
hahahahahahahahaha!!!!!!! LMFAO!!!
by awesume-dude November 13, 2010
 
31.
laughing my fucking ass off
i was lmfao
by jessicalinh November 11, 2008
 
32.
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
 
33.
It means ''laughing my fucking ass off''
Jeanette2212:Sup lone?
Lonewolf_33:Nothin much
Jeanette2212:Hey lone I didn't know you were from Texas
Lonewolf_33:Well now you do
_ckblood_47:Who likes rap music?
Jeanette2212:Uh its ok
Lonewolf_33:I don't like it at all.
Jeanette2212:Yo yo yo howdy XD
Lonewolf_33:LMFAO
by Jeanette2212 August 08, 2008
 
34.
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
 
35.
The most party rockin band ever!! No one could ever compeat.
The two cool guys who leaad the band are Redfoo and Skyblu.
Awesome person: Hey did you see LMFAO's new music video?

Lame guy: who is LMFAO..?

Awesome person: ..*huge gasp*
by Chubaca's love child September 25, 2011