Top Definition
A unit for measuring the coolness of something. The origin of this scientific unit is the animated television show Futurama. Professor Hubert Farnesworth invents a Coolometer, which uses Megafonzies as a unit for coolness.
When pointed at www.urbandictionary.com, the coolometer is give a reading of over 50 Megafonzies!
by Perryguy August 29, 2004

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