(noun- formal) hockey player which employs cheap-shots and false-alpha tendencies during play and after the whistle;
(noun- informal) male reproductive organ.
First coined by professional NHL defenseman, Kevin Bieksa of the Vancouver Canucks on December 29, 2011, when he was bet $300 by his teammates that he could not slip the term into a pre-game interview. See example for quote.
"You believe how that milk hotdog tried to give me the ol' Perpostrosity in that corner scrum?!"