Top Definition
Rolling on the floor laughing so hard that my pelvis begins to hurt and I need to stop.
dude 1: hey u wanna hear a joke?
dude 2: yeah. wat is it?
dude 1: poop.
dude 2: ROFLSHTMPBTHAINTS!!!!!!!

"aww dude, my pelvis still hurts from the time i was roflshtmpbthaintsing last night"
by jimjams5 May 16, 2010

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