flimflam vs ping pong

flimflam

verb
  • To swindle or cheat. 

ping pong

verb
  • To figuratively bounce or be bounced back and forth. 

  • To play the game of ping pong. 

  • To refer (a patient) unnecessarily to a number of clinics or practitioners as a form of fraud. 

noun
  • An instance of figuratively bouncing something or someone back and forth. 

  • Table tennis. 

  • The exchange of proposed amendments between the two Houses of Parliament, particularly at the end of a session when compromises have to be made to complete the legislative process within the limited time available. 

  • A small, shallow steelpan drum. 

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