get back
US /ɡɛt bæk/
UK /ɡɛt bæk/

1.
2.
3.
to respond to someone in an aggressive or retaliatory way
:
•
He tried to insult her, but she quickly got back at him with a witty remark.
•
Don't worry, I'll get back at him for what he did.
to respond to someone in an aggressive or retaliatory way