use up

US /juːz ˈʌp/
UK /juːz ˈʌp/
"use up" picture
1.

to finish a supply of something

:
We need to buy more milk; we've almost used up all of it.
The car used up a lot of fuel on the long journey.
2.

to make someone very tired or to exhaust their energy

:
The long hike really used up all my energy.
Working two jobs can quickly use up a person's reserves.