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 08, 2003
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Your anus/rectum being flipped inside out to resemble a penis.

Pee-penis
Poo-poonis
Jim pushed so hard when he was taking a dump he ended up with a poonis.
by Poonisdude1014 December 31, 2008
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What you get after fucking a guy in the ass when he hasn't taken a dump in a few days. A Penis covered in Poo.
Grandpa (in a pirate voice): arrrrrgggg, Billy. Me matey. Shiver me anus!

Billy: first mate reporting for duty!

Grandpa: 'tis a fine instrument you got there, Billy. All hands on the poop deck.

Billy: oh Gramps. Here it comes...

Grandpa: garrrrrrrrrrrrrrrrrrr. That's the stuff.

10 minutes later:

Billy: awwwwww - sick. Grandpa, I have a Poonis.

Grandpa: yarrrr. Gross. Time for a colostomy bag...
by Pollup August 07, 2008
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n.(Pou'nis)-common word used to depreciate the value of another's existence.
Man you suck. Quit being such a poonis!
by Bman December 09, 2002
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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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