to be highly upset by someone, something, or just generally pissed off.
my boss is really going to piss my bird if he doesnt give me a raise.
1. The use of the knuckles during masturbation
2. A tactic used for catching trout
1. I caught joseph dick knuckling in the cafeteria at school last week.
2. I caught a 6 pound trout over the weekend while dick knuckling.