Big H vs dog food

Big H

noun
  • The drug heroin. 

dog food

noun
  • Heroin, typically the non-black tar type. 

  • Beta software that is tested on the developer’s own computer. 

  • Food for domesticated dogs. 

  • Synonym of dog meat (“dead person”) 

  • Food eaten by or appropriate for dogs in general, whether wild or domesticated. 

How often have the words Big H and dog food occurred in a corpus of books? (source: Google Ngram Viewer )