/ping"pong', -pawng'/ , Informal.
v.t.
1. 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.
v.i.
2. to go back and forth; change rapidly or regularly; shift; bounce: For ten years the foreign correspondent ping-ponged between London and Paris.
[ 1900-05 ]