serve somebody right
serve (one) right
To be or deliver the appropriate or deserved consequence(s) for one's improper actions. It serves John right that Dave threw him out of his party last night. He was acting like such a jerk! My girlfriend broke up with me after she found out I had been cheating on her. Serves me right, I suppose. You tripped while making fun of those kids? Serves you right!
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
serve somebody ˈright (for doing something)(informal) used to say that something that has happened to somebody is their own fault and they deserve it: After the way you’ve treated her, it will serve you right if she never speaks to you again! ♢ I told you the dog would bite if you teased it. It serves you right.
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