gallop vs speedball

gallop

verb
  • To go rapidly or carelessly, as in making a hasty examination. 

  • To ride at a galloping pace. 

  • To make electrical or other utility lines sway and/or move up and down violently, usually due to a combination of high winds and ice accrual on the lines. 

  • To run very fast. 

  • To progress rapidly through the body. 

  • To run at a gallop. 

  • To cause to gallop. 

noun
  • The fastest gait of a horse, a two-beat stride during which all four legs are off the ground simultaneously. 

  • An act or instance of going or running rapidly. 

  • An abnormal rhythm of the heart, made up of three or four sounds, like a horse's gallop. 

speedball

verb
  • To occur fast, as if trying to finish as soon as possible. 

  • To take heroin and cocaine at the same time. 

noun
  • An improvised adhoc airdrop resupply pack, composed of ammo, food and water, and other supplies, stuffed into a body bag or duffle bag. 

  • An Egyptian racquet sport. 

  • Coffee with espresso. 

  • A fastball. 

  • A mix of heroin and cocaine. 

  • A competitive variant of paintball with an equal playing field, contrasted with woodsball. 

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