rotflcopter
ROTFL + helicopter. Sometimes used humorously for real.
teh rotflcopter pwns lollersk8s and lmaoplanes with rotfling rifles, wtfrockets, and omgmissiles
ROTFLCOPTER
Rolling on the floor laughing, but doing so in a circular motion.
Jimmy: How was the show?
Jimmy jr.: It made me ROTFLCOPTER.
Jimmy jr.: It made me ROTFLCOPTER.