it means Rolling On The Floor Laughing My Ass Off.
its usualy said when someone says something extremely funny. it comes from "Rotfl" (Rolling on the floor laughing) and "lmao" (laughing my ass off". it is often used in the same case as "lol" (laugh out loud).
that was funny rotflmao
by Elizabeth McBrittle October 20, 2007
roll on the floor laughing my ass off
'rotflmao'
'whats going on??'
by whitetiger16 January 10, 2004
Rolling On The Floor, Laughing My Ass Off
I was ROTFLMAO after I heard that joke.
by Stephen April 11, 2003
A chatroom abbreviation used mainly by imbeciles, usually in response to something mildly, often very mildly, amusing. People who use this type of shorthand should be avoided like the Spanish flu.
I would've married her, but I found out that she goes into chatrooms and uses shorthand like LOL and ROTFLMAO. Therefore, I broke off our engagement and changed the locks to my apartment.
by My dixie wrecked November 25, 2003
Rolling On The Floor Laughing My Ass Off
None Needed-I Hope
by Edbro April 11, 2003
The resulted offspring in the combonation of the two most powerful words in the history of the intarweb.
LMAO + ROFL = ROFLMAO

They share custody of the 'l'
by crackaplz May 19, 2003
1. Abbreviated form of Rotten Flamingo (if spelled oddly)
2. Chat/MSG speak for "Rolling on the floor laughing my ass off." For the insanely lazy and long-winded.
1. Look at that plastic ROTFLMAO in that yard.

2. ROTFLMAO!!!! You are SOOOO funny!
by Moose September 24, 2003
Rolling On The Flor, Laughing My Ass Off.
Used instead of the out of date LOL.
rotflmao, that sucks.
by Z April 10, 2005

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