balls vs joke

balls

verb
  • Speaking or acting with bravado to achieve (something) 

  • To engage in sexual intercourse. 

adv
  • Very. Intensifier. 

noun
  • A balls-up; a botched job. 

  • The testicles. 

  • Masculinity, particularly strength, courage, and force of will; chutzpah; brazeness. 

  • Synonym of bollocks, nonsense. 

joke

verb
  • To do or say something for amusement rather than seriously. 

  • To dupe in a friendly manner for amusement; to mess with, play with. 

noun
  • An amusing story. 

  • The root cause or main issue, especially an unexpected one 

  • A laughably worthless thing or person; a sham. 

  • Something that is far easier or far less challenging than expected. 

  • Something said or done for amusement, not in seriousness. 

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