be rotten to the core

be rotten to the core

To be entirely bad, evil, or corrupt. The defense attorney refused to take the case when he realized the criminal was rotten to the core, unrepentantly boasting about his heinous crimes. That company is just rotten to the core—I wouldn't be surprised if all the employees were embezzling money!
See also: core, rotten
Farlex Dictionary of Idioms.
See also:
  • core
  • rotten to the core
  • rotten
  • rotten apple spoils the barrel, a
  • to the core
  • evil be to him who evil thinks
  • the evil one
  • see no evil, hear no evil, speak no evil
  • sepulchre
  • a whited sepulcher
References in periodicals archive
IF this was a bad album then it would be rotten to the core.