Stoop ball (also spelled "stoopball") is a game that is played by throwing a ball against a stoop (stairs leading up to a building) on the pavement in front of a building.[1][2] Historically, it has been popular in Brooklyn and other inner cities. In Boston, the game is known as "Up-Against." In Chicago, the game is known as "Pinners." In Chicago's Bridgeport area the game is called "Three Outs". The game is also known as "Off the Point".[3] It first became popular after World War II.[4]