bush pig vs chunky monkey

bush pig

noun
  • A fat and very ugly woman. 

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

chunky monkey

noun
  • A mildly obese person. 

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