dunny vs one fry short of a Happy Meal

dunny

adj
  • Slow to answer: stupid, unintelligent. 

  • Somewhat deaf, hard of hearing. 

  • Somewhat dun, dusky brownish. 

noun
  • Any other place or fixture used for urination and defecation: a latrine; a lavatory; a toilet. 

one fry short of a Happy Meal

adj
  • stupid, retarded, slow 

  • mad, deranged, insane 

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