look up any word, like hipster:
 
1.
Laughing my ass pants off
Person A: "im not sweating too much. unlike you lol. u insane sweater."

Person B: "I sweat so much because I'm hot."

Person A: "LMAPO"
by Glitterystar April 19, 2011
 
2.
laugh my anal plug out
hey george : that was so funny. lmapo
by getyastuff January 16, 2011
 
3.
lmapo stands for "laugh my ape pernice off"

say it when something is REALLY funny.
you:i just fell out of my coputer chair an knocked over a bowl of pretzels.

me:lmapo. that is funny
by Nebraska5849 May 06, 2008