work off

Verb

 * 1)  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.
 * 1)  To end (a debt) by doing labor for the person owed money.
 * After thirteen years, I've worked off my student debt.
 * 1)  To produce (printed matter etc.) by some process of work.