work off
verb1
To lose (weight) by doing physical work; to burn off the calories gained from eating something.
- We need to get moving to work off these donuts.
2
Broadly To end (a debt) by doing labor for the person owed money.
- After thirteen years, I've worked off my student debt.
3
Archaic To produce (printed matter etc.) by some process of work.
- Pale Colour. When the sheets are worked off with too little ink.1774, Philip Luckombe, A Concise History of Printing, page 158:
4
Colloquial To ferment.