butterfingers vs harebrain

butterfingers

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

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

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

harebrain

noun
  • A person who lacks good sense; One who is foolish and reckless. 

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