pussyboy vs yellowbelly

pussyboy

noun
  • An especially cowardly or otherwise unmanly young man. 

  • A bottom, usually a younger, submissive and hairless male. 

  • A man with a vagina. 

  • A young sex slave used in the absence of available women. 

yellowbelly

noun
  • A coward. 

  • Someone from Lincolnshire. 

  • The golden perch, Macquaria ambigua. 

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