thundish Share definition Flag a cousin of the word punish, it is meant to imply when one is very high and has the munchies, and its fun to say. John - "Maan i'ma go home and smoke a blunt, take a shit, and fuckin' thundish some pork chops!" thundish by Cloud9 December 11, 2007 0 0 Get merch Get the thundish mug. Buy Now — $32.95 See more merch