cockshit Share definition Flag (a) An explictive. (b) Any waste product from the penis. (c) The shit that comes from a male's cock. This is fucking cockshit. I can't believe you left your used condom in my medicine drawer. cockshit by Sexy Supreme December 17, 2006 0 0 Get merch Get the cockshit mug. Buy Now — $32.95 See more merch