get back at

Take revenge on, as in Watch out for Peter; he's sure to get back at you. Similarly, get one's own back means simply “get revenge,” as in She finally saw a chance to get her own back. The first expression dates from the late 1800s, the second from the early 1900s.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

Related Words for get back at

retaliate, revenge