ping-ponging
n.β Β«Asked about βping-ponging,β a phrase used to describe how hospitals and insurers negotiate payment over the course of months, without letting consumers in on the secret ping-pong match until theyβre stuck with bills they could have sworn were already paid, Grady noted he has some experience in that area.Β» ββNaples attorney elected to Legislature unopposed” by I.M. Stackel Naples Daily News (Florida) Oct. 10, 2008. (source: Double-Tongued Dictionary)