shame on you!
INFORMAL
This page is about the conversational phrase shame on you!
Meaning
You can say this if you think someone should feel ashamed because they've done something very wrong.
For example
- When Joe met the former President, he said, "Shame on you for starting that stupid war!"
- Alice called her brother and said, "Your mother's dying and you won't come home. Shame on you, Glen!"
Also "You should be ashamed of yourself!"
Contributor: Matt Errey