dick vs dirty business

dick

noun
  • Sexual intercourse with a man. 

  • The penis. 

  • A detective, esp. the one who works in police, a police officer. 

  • Absolutely nothing. 

  • A highly contemptible person; a jerk. 

verb
  • To have sexual intercourse with. 

  • To mistreat or take advantage of somebody (often with around or up). 

num
  • Ten, in Cumbrian sheep counting. 

dirty business

noun
  • anal sex 

  • the practice of unethical methods 

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