scat daddy Share definition Flag (n.) A dominant homosexual male that employs feces in the commission of sexual acts. My boyfriend sniffs dirty diapers and gets horny off the aroma of fresh warm poop. He's my big scat daddy. scat daddy by Rick Roberson August 4, 2010 0 0 Get merch Get the scat daddy mug. Buy Now — $32.95 See more merch