get your comeuppance

get (one's) comeuppance

To receive retribution. Don't worry, she'll get her comeuppance—you can't gossip about people without them doing the same to you eventually.
See also: comeuppance, get

get your comeˈuppance

(informal) receive a punishment for something bad that you have done and that other people feel you really deserve: I was glad to see that the bad guy got his comeuppance at the end of the movie.
See also: comeuppance, get