look up any word, like plopping:
 
1.
Roll on floor laughing out loud my fucking ass off
Friend: I'm smart!
Me: ROFLOLMFAO
by meh December 15, 2002
 
2.
a very rarely used word, for ppl who feel the need to extremely over exagerate "lol"
dude: mann i ran over my cat today :(
another-dude: hahaha BUTTMUNCH! xD ROFLOLMFAO!!!!
anohter-dude2:
by Ryan :) January 24, 2007
 
3.
when you laugh so hard you literally shit your pants.

*Tells Joke*
"ROFLOLMFAO!"
" Ew dude you shit"

by RetrdedMangoFTW December 28, 2008