fill (one's) boots

fill (one's) boots

1. To take or obtain as much of something as one can. Primarily heard in UK. Since the shop announced its going-out-of-business sale, customers have been filling their boots with formerly overpriced homeware.
2. To replace one in some role; to take over for one in some position. You do so much for the company that I don't see how anyone could fill your boots.
See also: boot, fill
Farlex Dictionary of Idioms.

fill your boots

BRITISH, INFORMAL
If you fill your boots with something valuable, you get as much of it as you can. The fight has attracted a lot of people to the area, and traders have been filling their boots.
See also: boot, fill
Collins COBUILD Idioms Dictionary, 3rd ed.

fill your boots

take full advantage of an opportunity to benefit yourself. British informal
2001 Sunday Herald By April 7, the Pitman factor will have reduced his price to about 12/1 so go on, fill your boots.
See also: boot, fill
Farlex Partner Idioms Dictionary

fill somebody’s ˈboots/ˈshoes

do somebody’s job in a satisfactory way when they are not there: Mr Carter is retiring and we need a new director to fill his shoes.
See also: boot, fill, shoe
Farlex Partner Idioms Dictionary
See also:
  • fill somebody's boots/shoes
  • fill your boots
  • beat someone to the punch
  • beat (one) to the punch
  • beat to the punch
  • get (something) for (someone or something)
  • beat to
  • beat someone to it
  • beat (one) to (something)
  • beat (one) to it