From Longman Dictionary of Contemporary Englishwarmed-overˌwarmed-ˈover adjective [usually before noun] American English 1 DFwarmed-over food has been cooked before and then heated again for eating → reheat2 USELESSwarmed-over ideas or arguments have been used before and are not interesting or useful anymore → look/feel like death warmed up/over at death(8)
Examples from the Corpus
warmed-over• His proposed tax cuts are warmed-over Reaganomics that could saddle our children with an ever-increasing national debt. 