Or you sit on a rooftop and try to poop in a can on the ground just before your friend below kicks it through a neighbor's window. It's a game of skill and timing.
Ladies and gentlemen, I think we have a game. If people asks us whay we wa doing this day we shall proclaim we where trying to put poop in a can before someone kicked it, and we shall give it such a name that it will make the gods themselves weep in envy.