parting shot

big shot

A person with a reputation of importance or power.

chip shot

Something that is easy to do or to achieve.

give it one's best shot

To make one's best effort or attempt; to try as hard as possible.

long shot

Something unlikely; something that has little chance of happening or working; long odds

parting of the ways

a separation of two things or people because of a disagreement, a point of divergence, especially an important one

shot across the bow

A warning that negative consequences will be faced if something is carried out or allowed to continue.

shot heard round the world

Any cataclysmic event

shot in the dark

A guess, attempt, or choice made with little or no evidence or knowledge.