brown sugar vs heroin

brown sugar

noun
  • Heroin. 

  • An attractive black woman. 

  • Sugar which has been only partially refined and still contains molasses. 

  • Refined sugar to which molasses has been added. 

heroin

noun
  • A powerful and addictive drug derived from opium producing intense euphoria. Classed as an illegal narcotic in most of the world. 

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