Dad's Trophy Share definition Flag Female genitalia. Though it was used as a dirty joke in the show Dexter's Laboratory. Woman: Clumsy me! *bends over to grab something* Dexter: Dad's Trophy! Dad's Trophy by somebody who's in the U.S. October 26, 2019 0 0 Get merch Get the Dad's Trophy mug. Buy Now — $32.95 See more merch