doolally tap vs insaniac

doolally tap

adj

  • Mad, insane, eccentric. 

noun

  • Camp fever; by extension, madness, eccentricity. 

insaniac

adj

  • Insane and maniacal. 

noun

  • One who is insane and maniacal. 

How often have the words doolally tap and insaniac occurred in a corpus of books? (source: Google Ngram Viewer )