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1.

This Awsome Accumulation of letters means Rolling on Floor Laughing My Ass Off
"Rob: Im Cool and not at all annoying"
"Tony: ROFLAMAO"
"Rob: Aww..."
by Michael T March 22, 2003
 
2.
Rolling
On the
Floor
Laughing
My
Ass
Off
dude1: guess what?
dude2: what?
dude1: CHICKENBUTT
dude2: ROFLMAO
by samantha February 19, 2005
 
3.
Short for Rolling On the Floor Laughing My Ass Off. Often used in online chat rooms. Also an amusing thing to name a cat when pronounced as a word.
1- King G: Im so Ghetto
Idiot: ROFLMAO!

2-Here Roflmao, kitty muffins!
Roflmao: MEOW!
by King G July 08, 2005
 
4.
Rolling on the floor laughing my ass off
by Anonymous October 29, 2002
 
5.
ROFL = Rolling On Floor Laughing
LMAO = Laughing My Ass Off
ROFL + LMAO = ROFLMAO
ROFLMAO = Rolling On Floor Laughing My Ass Off
n00b: Stop shooting me in the head plzzz :'(
pro: ROFLMAO you n00b!
by erwinnnn January 17, 2009
 
6.
Internet slang for "Rolling On (the) Floor Laughing My Ass Off". Usually used when "LOL" just isn't enough. There have been cases of which people have added an 'F' to the acronym. Thus being "ROFLMFAO" A.K.A "Rolling on (the) Floor Laughing My F*cking Ass Off".
Ben: Hey Phil, why did the chicken cross the road?

Phillip: Why?

Ben: To get to the other side!

Phillip: Roflmao!
by Exfealest January 09, 2009
 
7.
A ridiculous over statement used when people actually are not "Rolling on the floor laughing (their) ass off"

In reality, it means:

Really, Only Fibbing. Looking Moderately Amused Only.
Person A: I'm so tired my eyes hurt
Person B: LOL
Person A: Did you actually LOL?
Person B: No! ROFLMAO
Person A: Are you actually laughing now?
Person B: No.
Person A: You're an idiot.
by pp0u20e8 January 31, 2010