(snooker, pool, billiards) The white ball which, struck by the cue, collides with the other balls to achieve the object of the particular game. / (derogatory) A bald person.

plural of ball washer

(slang, vulgar) To have complete control over someone, especially of a woman abusing a man's infatuation with her.

(soccer) A method of restarting play in a game where the referee drops the ball between two players of opposing teams.

(sports) A person, usually male, responsible for retrieving balls from the area of play, and returning them to the players.

(sports) A female responsible for getting the balls from off the area of play to the players.

(softball) A non-varsity softball team, typically played by youths (usually girls) under the age of 18. Frequently played in small cities and towns, sponsored by a local business and coached by volunteers.

(slang, vulgar) The scrotum.

(idiomatic) To fail in one's responsibilities or duties, or to make a mistake, especially at a critical point or when the result is very negative.

(US, idiomatic, vulgar) A person or task which is excessively demanding or punishing.