1) Humiliated completely, as in disrespected.
See clowned.
2) Bluffed out of a pot in poker.
3) A
big upset in a
fight.
Punked in verbial form: "To make a punk out of someone."
1) Police officer #1: Damn that
kid just ran off with my badge and the blow!
Police officer #2: WTF! you
idiot! you're supposed to pull your
gun out with your badge!
Police officer #3: You just got punked fool.
2) Damn, that guy had 2 7 offsuit, you got punked man.
3) Yao Ming took down Shaq? Yea he got punked.