black tar vs candy

black tar

noun
  • An illicit drug formed from the incomplete acetylation of morphine, containing a variable percentage of heroin. 

candy

noun
  • crack cocaine. 

  • A piece of confectionery of this kind. 

  • Edible, sweet-tasting confectionery containing sugar, or sometimes artificial sweeteners, and often flavored with fruit, chocolate, nuts, herbs and spices, or artificial flavors. 

  • An accessory (bracelet, etc.) made from pony beads, associated with the rave scene. 

verb
  • To be formed into candy; to solidify in a candylike form or mass. 

  • To cook in, or coat with, sugar syrup. 

  • To have sugar crystals form in or on. 

How often have the words black tar and candy occurred in a corpus of books? (source: Google Ngram Viewer )