bunny hop vs rock ‘n’ roll

bunny hop

noun
  • A ground ball that hops along the field instead of rolling. 

  • A dance from the big band era, a variation of the conga. 

  • A jump made where both wheels leave the ground. 

  • An exercise whereby the person crouches on their haunches and then extends their legs and springs up, jumping vertically into the air like a rabbit hopping. 

verb
  • to jump repeatedly while making contact with ground for as little time as possible, often combined with air strafing, especially in first-person shooters. 

rock ‘n’ roll

How often have the words bunny hop and rock ‘n’ roll occurred in a corpus of books? (source: Google Ngram Viewer )