get back at
Intermediate (B1)informal
To do something bad to someone because they did something bad to you first.
"She was furious and wanted to get back at him for telling everyone her secret."
Hear it in context

I Hunted Down Real Scammers!
Airrack · 15:24
So, to get back at these fraudulent sellers,

Breakup Revenge: Bleach Attack
The People's Court · 8:58
He's trying to get back at me.

Alien Beasts Invade, He Builds an Army of Billions of Mechs and Becomes the Lord of the Human Race!
Top Comic Recap · 347:27
so she wanted to get back at him.

Ray Kurzweil Predicts AI Will Change Humanity Completely by 2030
Tony Robbins · 23:37
So you'll get back at least a year.

The Ones with Chandler from Season 9 | Friends
Friends · 8:03
So, you're going to get back at Ross?