31 synonyms for jabroni such as bonehead, ass, and blockhead. Jabroni is a noun, and its antonyms are champion and winner.
Ass, Blockhead, Bonehead, Buffoon, Chump, Clown, Cretin, Dimwit, Doofus, Dork, Dunce, Dunderhead, Fool, Goof, Halfwit, Idiot, Imbecile, Jerk, Lamebrain, Loser, Moron, Nincompoop, Nitwit, Peon, Sap, Schmuck, Simpleton, Twerp, Twit, and Wimp.