Top definition
A male that impedes another male's ability to mate.
Guy 1: "Did you see Justyn almost take home the drunk chick?"

Guy 2: "Yeah, too bad the designated driver saved her from him."

Guy 1: "Dude, I know. What a cockstacle."
by mebematt77 January 25, 2009
Get the mug
Get a Cockstacle mug for your coworker Manley.