crazy as a pet coon vs demented

crazy as a pet coon

adj

  • Demented or crazy. 

demented

adj

  • Insane or mentally ill. 

  • a demented idea 

  • Crazy; ridiculous. 

  • Suffering from dementia. 

How often have the words crazy as a pet coon and demented occurred in a corpus of books? (source: Google Ngram Viewer )