doolally tap vs one fry short of a Happy Meal

doolally tap

adj

  • Mad, insane, eccentric. 

noun

  • Camp fever; by extension, madness, eccentricity. 

one fry short of a Happy Meal

adj

  • mad, deranged, insane 

  • stupid, retarded, slow 

How often have the words doolally tap and one fry short of a Happy Meal occurred in a corpus of books? (source: Google Ngram Viewer )