doolally tap vs few cards shy of a full deck

doolally tap

adj

  • Mad, insane, eccentric. 

noun

  • Camp fever; by extension, madness, eccentricity. 

few cards shy of a full deck

adj

  • mentally deranged; demented; insane. 

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