turning in one's grave

Verb

turn in one's grave (third-person singular simple present turns in one's grave, present participle turning in one's grave, simple past and past participle turned in one's grave)

1. (idiomatic) To be appalled, offended or disgusted by something, despite being deceased.
   • Beethoven is probably turning in his grave at the way that rock group mangled his Ninth Symphony.

   Synonyms:

   roll in one's grave, roll over in one's grave, spin in one's grave

2. Used other than figuratively or idiomatically: see turn, in, one's, grave.