get your own back

US /ɡɛt jʊər oʊn bæk/
UK /ɡɛt jʊər oʊn bæk/
"get your own back" picture
1.

se venger, rendre la pareille

to take revenge on someone for something they have done to you

:
After he tricked me, I decided to get my own back by playing a prank on him.
Après qu'il m'ait trompé, j'ai décidé de me venger en lui faisant une farce.
She was determined to get her own back on her rival.
Elle était déterminée à se venger de sa rivale.