one fry short of a Happy Meal vs peabrain

one fry short of a Happy Meal

adj

  • stupid, retarded, slow 

  • mad, deranged, insane 

peabrain

adj

  • stupid, clumsy, idiot 

noun

  • a stupid or clumsy person; a cretin. 

  • the brain of such a person. 

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