While playing the sport of water polo you shoot the ball over the goalies head while he brings his arms up and makes an 0 shape. The ball goes over his head and through his arms and it looks like a donut. Probably one of the most embarrassing shots to be scored on a goalie. Also called a nut, and if you are the one shooting the ball you can say "I nutted the goalie" Only thing worse then that is when the goalie somehow accidentally puts the ball in the goal himself.