a fry short of a Happy Meal vs few sandwiches short of a picnic

a fry short of a Happy Meal

few sandwiches short of a picnic

phrase
  • Exhibiting disquiet or unsoundness of mind; not sane; mad. 

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