short for penis. sometimes used in places where saying penis is inappropriate.
guy #1: this is how you do the can-can!

guy #2: FUCK dude, you just kicked me in my peens! watch where you kick asshole!
by dickhaver319Xboxlive3picYOLO September 6, 2013
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a common word used to describe the penis
" look at that guys peen..it makes my grandpas look big."
by ak harry March 15, 2005
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Is used:
a)to refer a man's penis

b)to describe an unlikable or mean male
a)John has a small peen

b)John is a huge peen!
by LBang October 31, 2005
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The act of coitus, aka fornication, aka fucking.
Mark is amazing. Last night I got a really good peening and now I can’t stop thinking about peen. God, I could get peened all day long!
by jacks Owen July 1, 2018
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To have a C&B drawn onto you or your possessions.
When I got back to my car I discovered it had been peened.
by VeeJS August 20, 2015
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Meaning penis...cock, But also can be used as a replacement for anything in everyday sentences. Can be used in good or bad terms.
'Your looking very peenile'
'Hmmm the weather is a bit peeny'
'Get your peen out'
'Your peen my mouth?'
'Peen my dry'
by Lucy and Katie January 16, 2009
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