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The inside of a monkeys asshole. Commonly used in the phrase: Son of a Monkeys Koocher

Occasionally used as a friendly swear word when a young child is around, so they will not pick up on regularly used swear words such as Fuck, Ass, Bitch, ect.
I dropped a cinderblock on my hand, it hurt like a Son of a Monkeys Koocher!

He is such a Son of a Monkeys Koocher...
by Monkeys Koocher July 22, 2014
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