shoot the boots

bet one's boots

To be absolutely sure of something; to be certain enough to wager an essential possession.

Daisies

[Cockney slang]boots

via daisy roots

fill one's boots

To perform at a high level in one's official role.

hang up one's boots

to retire, call it a day (used especially in the context of sports).

kicking boots

Ability to kick well.

lick someone's boots

To try hard to please someone.

quake in one's boots

To be very frightened, scared, or nervous.

shoot 'em up

A piece of media which depicts considerable gunplay.