A group of males who hang out together, mainly to get drunk, talk about sports, and do all that other manly stuff that men do.
"Sorry, ma I can't come over for dinner because I'm getting wasted with my penis posse."
by Balzy923 February 4, 2010
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A group of men that like to hang out and have group sex
He Ralph, do you want to hang out with the Penis Posse tonight?
by Zinrn March 21, 2019
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