Pittsburgh Pepperoni is a fraternity prank frequently played on new pledges that are rushing a fraternity. It's origins is believed to be a popular college in downtown Pittsburgh, although it has recently become a popular prank across the country. To perform a Pittsburgh Pepperoni senior fraternity brothers shit on a tray or plate. Then they slice the shit up into slim slices and place it on top of a pepperoni pizza. The pizza is then served to new pledges after a long night of drinking.