1. Someone who is complete waste of human flesh and should not be allowed to take up air or space; 2. Anyone who thinks the term jagoff originated anywhere else but Pittsburgh, where it most definitely had its origin.
1. "I wouldn't even piss on that jagoff if he was on fire in the middle of the street, he's so totally worthless and annoying." 2. "Oh, ah, yes (nose in air), the term "jagoff" has it's roots in the mid-west, specifically originating in Chicago (sniff)."