acerbate vs go bananas

acerbate

verb
  • To make bitter or sour. 

  • To exasperate; to irritate. 

adj
  • Embittered; having a sour disposition or nature. 

go bananas

verb
  • To get angry; to go mad. 

  • To become silly or excited; to go crazy. 

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