butter face vs prawn

butter face

noun
  • Used other than figuratively or idiomatically: see butter, face. 

prawn

noun
  • Synonym of butterface: A woman with an attractive body but an unattractive face. 

  • A crustacean of the suborder Dendrobranchiata. 

  • A fool, an idiot. 

  • A crustacean, sometimes confused with shrimp. 

verb
  • To fish for prawns. 

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