1.
If you ~ energy, stress, or anger, you get rid of it by doing something that requires a lot of physical effort.
She went for a brisk walk to ~ her frustration...
If I’ve had a bad day I’ll work it off by cooking.
PHRASAL VERB: V P n (not pron), V n P
2.
If you ~ a debt, you repay it by working.
The report proposes that students be allowed to ~ their debt through community service...
There were heavy debts. It would take half Edward’s lifetime to work them off.
PHRASAL VERB: V P n (not pron), V n P