twerk vs waving

twerk

noun
  • A fitful movement similar to a twitch or jerk. 

  • A dance involving sexual movements of the hips and buttocks. 

  • An abrupt call, such as that made by the California quail. 

verb
  • To twitch or jerk. 

  • To move the body in a sexually suggestive twisting or gyrating fashion, especially as a dance. 

waving

noun
  • Repeated moving of arms or hands to signal. 

  • The motion of something that waves. 

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