Dictionary
ping-pong
Pronunciation: (ping'pong", -pông"), [key] Informal.
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v.t.
to move back and forth or transfer rapidly from one locale, job, etc., to another; switch:
The patient was ping-ponged from one medical specialist to another.
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v.i.
to go back and forth; change rapidly or regularly; shift; bounce:
For ten years the foreign correspondent ping-ponged between London and Paris. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.