Top Definition
A small penis so microscopic, it can only be used for liquid evacuation and not sexual stimulation. NOTE: any person of any race, religion, or gender can have a peenub. also see: Front-Bum
Hey Katrina... look at that peenub... up in the sky!

Hey Kittie... show me your peenub.

Nick, along with Dolly, only have little peenubs.
by JBo February 13, 2005
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