Bitch-Swing
The act of a scrubby baseball player;who swings at every pitch, gets lucky and hits the ball on the sweet spot on the bat, the ball goes far and the player's face becomes awestruck.
When the scrub came to bat in the bottom of the ninth-inning, the opposition was happy since he was 0-4 for the game and he was batting a buck with change for the season. With a 0-2 count the pitcher throws him a curveball low and away the batter swings, he practically comes out of his shoes, and the ball finds the sweetspot of the bat and it travel over the fence for a walk-off home-run. Distraught after what just happened the only thing the losing team could say was "that was a BITCH-SWING.