reefer vs salmon and trout

reefer

noun
  • A marijuana cigarette. 

  • A refrigerated, insulated trailer, ship or shipping container. 

  • a refrigerator car (type of boxcar). 

  • Someone who reefs sails, especially a midshipman. 

  • A reefer jacket; a close-fitting jacket or short coat of thick cloth. 

  • Marijuana. 

salmon and trout

noun
  • snout: tobacco or cigarettes. 

How often have the words reefer and salmon and trout occurred in a corpus of books? (source: Google Ngram Viewer )