look up any word, like pussy:
 
1.
Laughing my Face off.
That shit was so funny I was LMFO!!!
by StoneGrody September 11, 2006
 
3.
Laughing my face off.
Bob-So I was like "hey baby, can I buy you a drink?" And she was like "only if I can throw it in your face!"

Me-LMFO
by Lovesickduck December 12, 2010
 
4.
Laughing my fucking off.

A stupid misspelling of Laughing my fucking ass off.
Omg lmfo school got cancelled.
by LGTexty August 02, 2012
 
5.
Laughing
My
Fucking
Orange
Sideways
LMAO < LMFOS.
APPARENTLY THIS HAS TO BE 20 LETTERS AND 3 WORDS SO IM JUST GONNA TYPE BOLLOCKS K?
its to be used on da internttttt innnnittttz\zzzzzzzzzzzzz.
steffo is ma twin bbz<3

LMFOS.
see?
SIMPLE.
by becko&steffo2k7. May 07, 2007
 
6.
New Net slang for people who do not enjoy cursing. Meaning Laughing My Face/Foot (whichever you like) Off. I suggest Face.
Lmfo.. Layluhh that is SO funny.
by Andreuhh January 06, 2007
 
7.
Chat lingo for Laugh My Fuck Off. Let's chatters use there imagination when chatting, instead of having a direct meaning like LMFAO, for each person a fuck could be something else.
e.x:

chatter1- did see what that guy did in the pizza place?
chatter2- ya! i was like LMFO
by hellothere242 January 08, 2010