1900, as Ping-Pong, trademark for table tennis equipment (Parker Brothers). Both words are imitative of the sound of the ball hitting the paddle; from ping (q.v.) + pong, attested from 1823. The verb is from 1901; in the figurative sense, 1952.
To refer a patient, esp a Medicaid recipient, to other doctors in order to maximize fees: ''Medicaid mills'' or clinics reap enormous profits by such practices as ''Ping Ponging''
o go back and forth; change rapidly or regularly; shift; bounce
[1972+ Medical; fr Ping-Pong, trademark for a manufacturer's table-tennis set and game]
The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D. Copyright (C) 2007 by HarperCollins Publishers. Cite This Source
ping-pong in Technology
architecture A phenomenon which can occur in a multi-processor system with private caches where two processors are alternately caching a shared location. Each time one writes to it, it invalidates the other's copy. (1995-12-29)