Ugadoug Share definition Flag An Ugadoug is a person who is so ugly that they look like a character from the hit cartoon Doug. Man i tell you what, that guy was such an Ugadoug, I thought Patty Mayonnaise was sitting right next to me. Ugadoug by Aaron Caruso August 4, 2007 0 0 Get merch Get the Ugadoug mug. Buy Now — $32.95 See more merch