dim-bulb vs one fry short of a Happy Meal

dim-bulb

adj

  • Slow-witted, stupid. 

one fry short of a Happy Meal

adj

  • stupid, retarded, slow 

  • mad, deranged, insane 

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