Shit in his urinal Share definition Flag Used to show when someone is pissed or having a bad day; pointing out when this has occured. Damn, Josh has been acting like a real asshole today.I know, I wonder who shit in his urinal. Shit in his urinal by Aesios October 31, 2009 0 0 Get merch Get the Shit in his urinal mug. Buy Now — $32.95 See more merch