ball-breaker vs insect

ball-breaker

noun
  • A person or task which is excessively demanding or punishing. 

insect

noun
  • A contemptible or powerless person. 

  • An arthropod (in the Insecta class) characterized by six legs, up to four wings, and a chitinous exoskeleton. 

  • Any small arthropod similar to an insect, including spiders, centipedes, millipedes, etc. 

How often have the words ball-breaker and insect occurred in a corpus of books? (source: Google Ngram Viewer )