Stands for rolling on the floor laughing my fucking ass off. Also known as post '04 election syndrome.
Everytime I think of that guy outside the Columbus, Ohio Victory '04 Bush tour stop, I'm ROTFLMFAO at how he kept chanting "Four more days."
by Nikthenyetminder November 17, 2004
Get the ROTFLMFAO mug.
Person 1: I liked the Kill Bill movies.

Person 2: ROTFLMFAO
by AMoniker August 22, 2010
Get the ROTFLMFAO mug.
Rolling on the floor laughing my FAT ass off...(new one)...used by fat people when laughing
Father/Mother: Raising teens is like nailing jello to a tree
Fat Father/Mother (Response): ROTFLMFAO
by Hugh Jass June 11, 2004
Get the ROTFLMFAO mug.
Rolling On The Floor Laughing My F***ing A** Off

when you are laughing so hard that you cant just say ROTFL or LMFAO
That was so funny hahaha ROTFLMFAO
by TwilightYolo October 29, 2014
Get the ROTFLMFAO mug.