get your own back

get (one's) own back

To take or get revenge upon a person or group of people, especially as a means of recompense or personal satisfaction for a slight or previous setback; to avenge oneself. Jonathan bullied me mercilessly at school, but I eventually got my own back when I bought out his father's business and became his boss. Our ground troops may have been outgunned by the insurgents, but we'll get our own back when we begin the airstrikes.
See also: back, get, own
Farlex Dictionary of Idioms.

get your own back

BRITISH, INFORMAL
COMMON If you get your own back on someone, you take revenge on them because of something that they have done to you. You're only interested in getting your own back on Terence. I was bullied at school and I want to get my own back.
See also: back, get, own
Collins COBUILD Idioms Dictionary, 3rd ed.

get your own back

take action in retaliation for a wrongdoing or insult. British informal
See also: back, get, own
Farlex Partner Idioms Dictionary

get your ˈown back (on somebody)

(informal) do something to somebody in return for harm they have done to you; get revenge: I got my own back by writing a very rude article about him in the newspaper.
See also: back, get, own
Farlex Partner Idioms Dictionary
See also:
  • get (one's) own back
  • revenge is sweet
  • crushing blow
  • a bit of crackling
  • recompense
  • recompense for
  • recompense for (something)
  • on commission
  • feel a glow of satisfaction
  • viola