hatstand vs off the beam

hatstand

noun
  • A device used to store hats upon, consisting of a vertical pole with a sturdy base to prevent toppling, and an array of pegs to hold the hats. 

adj
  • Crazy, insane. 

off the beam

prep
  • Crazy; insane. 

How often have the words hatstand and off the beam occurred in a corpus of books? (source: Google Ngram Viewer )