tuna medallions Share definition Flag A set of balls that stink like rotten fish after banging off some nasty chicks cooter. he had the worst set of tuna medallions I've ever smelled. He must have been with a bad piece of pussy. tuna medallions by Battledingus May 17, 2009 0 0 Get merch Get the tuna medallions mug. Buy Now — $32.95 See more merch