1.
1. An absolutely useless thing or person.
2. A knuckle protruding from the shaft of the penis.
My brother is a penis knuckle.
When John awoke in hospital to find he had a penis knuckle, he knew the skin graft was a success.
See useless, worthless, crap, noob, stupid, lazy, idiot, pointless, shit, pathetic, dumb, annoying, boring, garbage, lame, loser, rubbish, waste, retarded, dumbass, moron, junk, retard, bitch, crappy, twat, ugly, whore, ignorant, trash, wanker, asshole, bad, cheap, fool, hopeless, pussy, slow, weak, broken, old, slacker, dirty, emo, futile, incompetent, knuckle, nothing, useful, ass