settle a score
wipe out an old score
To hurt (someone) in return for a wrong or loss.
John settled an old score with Bob by beating him.
wipe out
To remove or erase by wiping or rubbing.
The teacher wiped out with an eraser what she had written on the board.
To remove, kill, or destroy completely.
The earthquake wiped out the town.
Doctors are searching for a cure that will wipe out cancer.
The Indians wiped out the soldiers who were sent to stop their attacks.