have a ball

ball hog

In team sports, a player who keeps the ball to themselves, rather than passing it.

ball of fire

A person who is especially active, ambitious, hard-working, or high-achieving.

ball of malt

A glass of whiskey.

carry the ball

To lead in terms of responsibility, initiative, or progress.

drop the ball

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.

get the ball rolling

To begin; to start some action; to set in motion.

ground ball with eyes

A weakly hit ground ball that barely evades the infielders.

have the ball in one's court

Alternative form of the ball is in someone's court.