dunka crust Share definition Flag Dunka crust... well lets break it down. Dunka mean booty or butt. And crust is crust. So Dunka crust=butt crust; dingleberries Ur nothin but dunka crust! dunka crust by tampie July 21, 2006 0 0 Get merch Get the dunka crust mug. Buy Now — $32.95 See more merch