a poonis is the butt because poo comes out of it like pee comes out of the wiener.
i farted out of my poonis and it smells like poo.
by humungo balls February 19, 2003
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poony in the mill

when someone is being annoying and not listening to you
"stop being a poony"
"nuh uh"
by wahoppin7 October 17, 2023
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A form of genitalia that is similar to a penis. It shoots out shit and shoots solid cum. Only a few people in the world have them and when they touch someone else they lose their poonis and pass it on to the person they touched.
by Ltlitty November 23, 2019
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a peice of poo that resembles a penis.
I had a poo the other day that was a total poonis
by LilJOnwhattt: July 20, 2005
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they made love with his ponis and her yum yum
by ddd December 6, 2002
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Half Penis, Half Poon, Poonis. That is what a hermaphrodite has. I thought of this word first David, you bastard.
That she man has a poonis
by Decidrous October 8, 2003
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A cross between a Poo and a Penis.
A penis made totally out of poo.
you're A poonis.

shutup you stupid poonis.
by Michael Filing November 22, 2004
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