fill your 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
See also:
  • fill (one's) boots
  • fill somebody's boots/shoes
  • 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
References in periodicals archive
It will take a while for the bookies to catch on - until then fill your boots.
So, if you haven't bought your seasonal pair yet, it's time to hotfoot it to the shops and fill your boots:
So if you're lucky enough not to have felt the credit crunch yet, now's the time to fill your boots and help kick start the economy.
FILL YOUR BOOTS Wigan's John Bateman after two tries
The Radio 2 breakfast DJ said: "I think it would be the most wonderful gesture if the people that run that big show on ITVinvited the military wives on and said 'Guys, this year is your year, we'll do what we can, go ahes ad, fill your boots'.
Fill your Boots at store sale Boots has got a three for the price of two offer on thousands of toys to help you stock up for Christmas.
``If you are batting well, you just want to keep batting, because you want fill your boots. Maybe I'm batting as well at the moment as I have done over the last year or so.''