Wankblanket

(n.) An absolute, complete, and unbelievable tosser. One whose existence has outlived their usefulness, like a blanket completely glazed in semen.

Modifiers include, but are not limited to: supreme, shit-sucking, insufferable, etc.

Guy 1: Last week, Nate was being such a shit-sucking wankblanket, I just had to deck him in the face.
Guy 2: What was he doing?
Guy 1: He just kept trying to get me to battle! It was pissing me off.