bollocks vs cat's ass

bollocks

verb
  • To break. 

  • (also bollocks up) To fail (a task); to make a mess of. 

noun
  • An idiot, an ignorant or disagreeable person. 

  • The testicles (sometimes used in the singular) 

  • Nonsense or information deliberately intended to mislead. 

intj
  • An expression of anger, frustration, etc. 

  • An expression of incredulity. 

cat's ass

noun
  • Synonym of cat's meow 

How often have the words bollocks and cat's ass occurred in a corpus of books? (source: Google Ngram Viewer )