Acronym: "Laughing my ass fat off"

(v.) - to laugh so hard that you are ultimately burning fat from the butt.
LMAFO, that was the greatest video that i've ever seen!

Wow..that girl's got a giant badonkadonk....LMAFO
by OOJG April 1, 2007
Get the LMAFO mug.
An abbreveation for "laughing my fucking ass off".

Used on the internet.
User 1: Goddamnit. Last weekend I didn't eat for 24 hours because I was too lazy to make some food.

User 2: lmfao
by klosterdev October 31, 2004
Get the lmafo mug.
pd: idk what to write here lmafo
by November 19, 2020
Get the lmafo mug.