Noun: Doosh Nuck-le A person who attends a party and then steals beer from the host while leaving.
Tony: Hey man Tap is such a Douche Knuckle!
Adam: Why do you say that?
Tony: That Douche Knuckle stole a twelve pack of Yuengling from my porch at 3:00 AM on New Years Eve.
Adam: Wow... Really? Did he ask anyone first?
Tony: Nah... That is the fucked up thing, all that Douche Knuckle had to do was ask and I would have given him the damn beer.
Adam: Wow, he really is a Douche Knuckle.
1. Wow, the douche knuckle is very similar to a bendy straw, must've been invented by the same guy.
2. I'm sick of that douche knuckle always talkin shit, i'm gonna kick his ass.