1. An easily duped, low life bitch.
2. A friendly jibe at the poker table.
(player 1- "You have aces? You don't have aces. I'm all in. Player 2- I call. SUCKER PUNK!)
By the time they slapped the handcuffs on him, Joey realized he'd be sucking more bad boy cock in jail. Once a sucker punk, always a sucker punk.