Cách sử dụng
The expression "fill your boots" means "go ahead and take as much as you want" or "help yourself freely". It can be used in any situation where someone is welcome to take something without restriction or hesitation. For example, if there is a buffet and someone tells you to "fill your boots", it means you can take as much food as you want. It can also be used when offering someone something, such as "Do you want some candy? Go ahead and fill your boots."