munch vs penilingus

munch

noun
  • Food. 

  • Someone who easily agrees to give oral sex. 

  • A location or restaurant where good eating can be expected. 

  • A casual meeting for those interested in BDSM, usually at a restaurant. 

  • An act of eating. 

verb
  • To eat vigorously or with excitement. 

  • To chew with a grinding, crunching sound, and with the mouth closed. 

penilingus

noun
  • Fellatio. 

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