bush pig vs buttface

bush pig

noun
  • A fat and very ugly woman. 

  • An African pig of the genus Potamochoerus; Potamochoerus porcus or Potamochoerus larvatus. 

buttface

noun
  • A person with an ugly face. 

  • A dislikable person, a disagreeable person. 

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