From Longman Dictionary of Contemporary Englishshame on you/him/them etcshame on you/him/them etcspokenASHAMED used to say that someone should feel guilty or embarrassed because of something they have doneShame on you, Fred. I thought you were my friend! →shame
Examples from the Corpus
shame on you/him/them etc• If you fail to negotiate, shame on you.• Fool me once, shame on you, the saying goes.• And if you haven't heard of Gus then shame on you!