Top Definition
Rolling On The Floor Laughing Out Fucking Loud Laughing My Mother Fucking Ass Off. As usual in chatspeak, it takes just as long to type this as it does the actual phrase, and it's usually only used by people that think they're cool.

Moron: ROTFLOFLLMMFAO!!!!!!

Me: Wow...
by dYl@n$gIrL June 26, 2007
5 Words related to rotflofllmmfao

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