1 definition by Mitchazz

Top Definition
When something incredibly funny happens and you dont know who it was or what caused this hilarious event to occur, you say it was the 'LmaoPhantom'
Person 1: Who left this used condom in my Geography book?
Person 2: It must have been the 'LMAOPHANTOM'
Person 1: ROFLCOPTER!
by Mitchazz December 13, 2009

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