Definitions from Wiktionary (ping pong)

▸ noun:  table tennis.
▸ noun:  (figuratively) An instance of figuratively bouncing something or someone back and forth.
▸ noun:  (UK politics) 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.
▸ noun:  (dated) A size of photograph a little larger than a postage stamp.
▸ noun:  (music) A small, shallow steelpan drum.
▸ verb:  (transitive, intransitive) To figuratively bounce or be bounced back and forth.
▸ verb:  (transitive, medicine) To refer (a patient) unnecessarily to a number of clinics or practitioners as a form of fraud.
▸ verb:  (intransitive) To play the game of ping pong.

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