gravity bong vs scoot

gravity bong

noun
  • Synonym of waterfall bong 

  • A homemade device used to smoke marijuana, consisting of a plastic jug with the bottom cut out and immersed in a vat of water, which is then raised to create a vacuum beneath its bowl of lit marijuana. 

scoot

noun
  • A sudden flow of water; a squirt. 

  • A sideways shuffling or sliding motion. 

  • a scooter. 

  • A dollar. 

verb
  • To walk or travel fast; to go quickly. 

  • To run away hastily; scram. 

  • To move with the forelegs while sitting, so that the floor rubs against its rear end. 

  • To dispatch someone or something at speed; Synonym of shoo. 

  • To move sideways (especially along a seat for multiple people), usually to make room for someone else (to sit, stand, etc.). 

  • To squirt. 

  • To ride on a scooter. 

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