Top definition
A fun monster is a mythological creature that comes out 4 months a year in Belmar. This monster has uncontrollable power to make people frolic and pump their fists. Studies are taking place to make the monster have fun in places other than belmar.
Mike: "We had such a good time at D'jais last night with you"
Suzanne: "That's because i'm the fun monster"
by Pengussy November 01, 2010
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