Acronym for:

GRAND-ROFL(Rolling on the floor laughing)

Used to overly express laughter.
person 1: Me fail sci. klass cuz teachor is butt.

person 2: God, why don't you just go rape a grammar teacher.

person 3: GROFL
person 4: GROFL!!!
person 5: XD
by teh BUTT secks January 5, 2005
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