Battle Shit
A fierce doo doo battle taken place in the stalls of a men's restroom between two dudes in adjacent stalls. Bonus points for a large splash, ear peircing fart, or sabotage smell. No one really wins this game.
Jon, "Dude I have to to take a massive shit after that taco bell."

Jeff, "Yeah me too my stomach is churning, dude lets play battle shit!"