Rolling On The Floor Laughing My Fucking Ass Off. Cyberchat. One states something really funny and the other(s) reply with ROTFLMFAO
User1: There once was a man from Nantucket...

User2: ROTFLMFAO
by Philism January 28, 2003
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rolling on the floor laughing my fucking ass off

commonly used on cell phones and msn
Guy 1:DUDE MY DOG JUST TOOK A SHIT ON THE FLOOR!!!
Guy 2:ROTFLMFAO
by 15marsht October 7, 2008
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1. an acronym used by supergeeks in order to express approval of comments or anecdotes or to acknowledge a humorous occurrence, usually typed in chatrooms or during online gaming.
2. A sure-fire indication that one will never be laid by a woman you don't pay for.
"hhhmmmhey...I mega-fragged OCClanSuPerPain039 when he tried to grab the flag...ROTFLMFAO....glavin...hhmhey"
by John Cocktoastin January 28, 2003
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"Rotten Old Tomatoes Lying in Mayo For An Our" lol, i thought that up as i typed it
o shit, i steped in rotlmfao
by YoSHi March 22, 2005
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i made this up. well maybe someone else did but i thought of it. just added an f on. it means:
Rolling
On
The
Floor
Laughing
My
(BEEPING)
@$$
Off
Dude1: lol i totally hit a dork in the ballz with a dodgeball in gym class
Dude2: rotflmfao
by xx.purple.hedgehog.xx June 23, 2009
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rolling on the floor laughing my fucking ass off

usually used in internet interaction, when someone says something funny.
Person 1:
I don't have to spellcheck eevrything

Person 2:
ROTFLMFAO
by tim December 29, 2003
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