butterfingers vs hopeless case

butterfingers

noun
  • One's fingers which tend to drop things, or are clumsy or uncoordinated. 

  • Someone who tends to drop things; (more generally) someone who is clumsy or uncoordinated; a klutz. 

  • A tendency to drop things, or to be clumsy or uncoordinated. 

hopeless case

How often have the words butterfingers and hopeless case occurred in a corpus of books? (source: Google Ngram Viewer )