fudugly Share definition Flag Fucken Dog Ugly Used to describe an individual who is not only ugly, they are fucken ugly. Dude, how hammered where you last night? That chick you went home with was fudugly! fudugly by phynias October 3, 2006 0 0 Get merch Get the fudugly mug. Buy Now — $32.95 See more merch