a few clowns short of a circus vs one fry short of a Happy Meal

a few clowns short of a circus

one fry short of a Happy Meal

adj
  • stupid, retarded, slow 

  • mad, deranged, insane 

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