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1.
Rolling On The Floor Laughing Out Loud So Hard I Throwup. A term used during events of unusual hilarity. Also fun as shit to say. Also usable in the past tense as ROFLOLSHAT, meaning Rolled On The Floor Laughing So Hard And Threwup.
Brah number 1: "Hey um... will you go out with me?"

Chick number 1: "ROFLOLSHIT!! No, you're a fucking tool."

OR

Broski number 1: "DUDE THAT'S FUCKING HILARIOUS!!"

Broseph number 1: "Haha, I Roflolshat."
by FSGTLOLZ14 October 14, 2010