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insurance shot

n. (context shooting English) A second (or subsequent) shot fired at a downed animal to ensure it is dead.

Usage examples of "insurance shot".

He fired twice, the first shot in the chest and the second, an insurance shot, in the head.

A guy who uses a silenced small-calibre automatic for a neat head shot and an insurance shot is not the type of guy who then suddenly goes berserk and kicks the shit out of a corpse, right?