A term from paintball. To intentionally shoot a person who has already been eliminated as retribution or pay back for a prior action by that player.
by Paintball.Charon July 28, 2005
In a pornographic film, or in real life, when the male's scrotum is long and loose, and is riding a female hard, the balls will slap against the female's body, created an additional slapping noise, hence, the bonus ball slap.
Listen to that bonus ball slap.
by sir poopiepants March 20, 2006