few cards shy of a full deck vs hatstand

few cards shy of a full deck

adj

  • mentally deranged; demented; insane. 

hatstand

adj

  • Crazy, insane. 

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. 

How often have the words few cards shy of a full deck and hatstand occurred in a corpus of books? (source: Google Ngram Viewer )