mucknarf Share definition Flag 1. an idiot 2. a moron 3. a complete douchebag 4. an american republican Did you see Bill O'Reilly spewing his dogshit last night? That guy is such a mucknarf. mucknarf by rwest78 June 17, 2009 0 0 Get merch Get the mucknarf mug. Buy Now — $32.95 See more merch
