dope vs downer

dope

noun
  • Any illicit or narcotic drug that produces euphoria or satisfies an addiction; particularly heroin. 

  • Any varnish used to coat a part, such as an airplane wing or a hot-air balloon in order to waterproof, strengthen, etc. 

  • A stupid person. 

  • An absorbent material used to hold a liquid. 

  • Information, usually from an inside source, originally in horse racing and other sports. 

  • Any viscous liquid or paste, such as a lubricant, used in preparing a surface. 

  • Dessert topping. 

  • Ballistic data on previously fired rounds, used to calculate the required hold over a target. 

adj
  • Amazing; cool. 

verb
  • To affect with drugs. 

  • To use drugs; especially, to use prohibited performance-enhancing drugs in sporting competitions. 

  • To treat with dope (lubricant, etc.). 

  • To add a dopant such as arsenic to (a pure semiconductor such as silicon). 

downer

noun
  • A drug that has depressant qualities. 

  • A livestock animal that has collapsed. 

  • A negative drug trip. 

  • A form of industrial action in which workers down tools and refuse to work. 

  • Something or someone disagreeable, dispiriting or depressing; a killjoy. 

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