When an opponent on checkers can't move his or her last piece, similar to checkmate for chess.
I yelled "checkermate" when she was trapped and she laughed and called me silly as she lost.
41👍 4👎
When you're playing online checkers with Vic and she is forced to crown you.
Erik: "Here I come"
Vic: "Oh no, you're heading towards my kings row"
Erik: "Boom, checkermate"