horror show

noun2

1. •
   A horror movie or television show or other performance which depicts gruesome, horrible, or disgusting events, especially in a vividly visual manner.
2. •
   A horrifying, appalling, or sickening experience, set of events, or visual spectacle.

   • Colleen Fallscheer, a cheerful 40-year-old mother of two from Waterford, Mich., is living proof that breast-cancer therapy is not the horror show it used to be. — 1991