dirty business vs fudge packer

dirty business

noun
  • anal sex 

  • the practice of unethical methods 

fudge packer

noun
  • A person who practices anal sex. 

  • A male homosexual. 

  • Used other than figuratively or idiomatically: see fudge, packer. 

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