Royal Dumbass Share definition Flag v. Someone who thinks they are smart, but in reality, are very stupid; a very stupid person. George W. Bush was a royal dumbass for thinking that the War of Terrorism was a good idea. Royal Dumbass by Chachiix March 6, 2010 0 0 Get merch Get the Royal Dumbass mug. Buy Now — $32.95 See more merch
