Jerk, Asshole, Weasle, A Slimy Bastard, Backstaber, Someone who likes to run thier mouth then hides behind someone else, laughing at you. That guy who will not leave your girlfriend alone eventhough you already whooped his bitch a$$.. Usually associates with dickheads..
"See that lil' Peckerneck over there??"
"Yeah, what about him?"
"He keeps runnin' his lil' fukin' mouth about how he wants to fuk my girlfriend."
"Wait till' bartime, then we'll get his a$$."