crackpot vs crazy as a pet coon

crackpot

adj
  • Eccentric or impractical. 

noun
  • An eccentric, crazy or foolish person. 

  • Someone addicted to crack cocaine (i.e. a drug addict). 

crazy as a pet coon

adj
  • Demented or crazy. 

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