To take a shiss
While thinking your just taking a piss and to your dismay a little bit of shit comes out.
At urinal:
Guy 1: "dude I just shissed my pants"
Guy 2: "If your going to take a shiss, you should sit while you pee, pussy."
Guy 1: "dude I just shissed my pants"
Guy 2: "If your going to take a shiss, you should sit while you pee, pussy."