What is Boomeranging?

Boomeranging definition and meaning on Dictionary terms:
a bent or curved piece of tough wood used by the Australian Aborigines as a throwing club, one form of which can be thrown so as to return to the thrower.
something, as a scheme or argument, that does injury to the originator.
Theater. a mobile platform, adjustable to different levels, for painting scenery. a batten, usually suspended vertically in the wings, for holding lighting units.

verb (used without object)
to come back or return, as a boomerang.
to cause harm to the originator; backfire.