crack cocaine vs second to none

crack cocaine

noun
  • A mixture of baking soda and cocaine in solid form that is smoked in a pipe as a narcotic. 

  • A mixture of salt substitute, ether, and cocaine in a semi-liquid form, which is far more potent than if made with baking soda alone. 

second to none

noun
  • Heroin. 

adj
  • As good as the best, as in quality or reputation; inferior to no one else or to nothing else of the same kind. 

How often have the words crack cocaine and second to none occurred in a corpus of books? (source: Google Ngram Viewer )