get your own back
US /ɡɛt jʊər oʊn bæk/
UK /ɡɛt jʊər oʊn bæk/

1.
sich rächen, es heimzahlen
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.
Nachdem er mich reingelegt hatte, beschloss ich, mich zu rächen, indem ich ihm einen Streich spielte.
•
She was determined to get her own back on her rival.
Sie war entschlossen, sich an ihrer Rivalin zu rächen.