piss-slit Share definition Flag A guy's piss-slit is the hole at the end of a guy's cock that pee and cum are expelled. I fuck Matt's piss-slit with my tongue whenever I suck him off! piss-slit by USAF Cadet January 12, 2021 0 0 Get merch Get the piss-slit mug. Buy Now — $32.95 See more merch