1 definition by American Periscope
the ultimate game-changer - calling Yankee Swap at any point during any game (chess, Settlers of Catan, etc.) allows for an abandonment of the previous rules and the reign of a new order.
Player 1: "Hey man, you can't just trade in one of your pawns for a queen and a rook!"
Player 2: "Whatever man, it's Yankee Swap."
Player 2: "Whatever man, it's Yankee Swap."
by American Periscope April 26, 2013