Top Definition
The praise and dedication to mushrooms, be it real mushrooms or magic ones from Mario.

Practices of Mushroomism require life dedication to The Almighty Covan of Mushroomity, consuming extortionate amounts of multiple mushroom types, or just simply extreme procrastination playing any form of Mario game.
I follow Mushroomism
by DarkCandyDragon13 June 27, 2014

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