This is actually not dirty. It refers to the interference during the Cubs almost-win in the World Series. It is a Chicago slang term. It refers to the man who "knocked" the ball out of the glove of a player that "cost the Cubs the World Series".
Ya you know, da guy who cost da Cubs da World Series, dat guy's a jerk-wad ball toucher. Dat's what he is.
1. Select a player (real or fantasy) during a sports draft to spite or anger one or more of your opponents because they had intended to select him/her.
2. Select a player (real or fantasy) during a sport draft to put one or more of your opponents at a strategic disadvantage.
1. Billy hate drafted Chad OchoCinco because he knew Sam had wanted him since he is from Cincinnati. Billy already had plenty of players to fill that position but wanted to make sure Sam didn't get him.
2. Billy hate drafted Peyton Manning because he was the only good quarterback left and he knew Sam had been planning on drafting him.