jawbone vs vibraslap

jawbone

noun
  • A shaken musical instrument (an idiophone) made from the jawbone of an animal and shaken such that the teeth vibrate in their sockets to produce sound. 

  • The bone of the lower jaw; the mandible. 

  • Any of the bones in the lower or upper jaw. 

verb
  • To talk persistently in an attempt to persuade somebody to cooperate. 

vibraslap

noun
  • A percussion instrument, descendant of the jawbone, made of stiff wire connecting a wood ball to a block of wood with metal teeth inside, which when struck, creates a rattling sound. 

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