1 definition by Yeah, that guy

Top Definition
A type of pastry that immature people find humorous because:

A: "banana" is slang for penis
B: "nut" is slang for testicle
C: "muffin" is slang for vagina
Normal Person: "Hey, would you like a piece of my banana nut muffin?"

Absolute Douche: *laughing hysterically
by Yeah, that guy November 28, 2010
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