(colloquial) A remote control for a television.The news is starting on the other channel; hand me the zapper.
A device that electrocutes ("zaps") with a high voltage, e.g. a bug zapper.
(figuratively, by extension) Anything that exterminates.
1989, Microtimes (volume 6, page 140)If games are your life, the choice of a joystick is desperately important. Casual alien-zappers can get by with the cheapest generic Taiwanese clone-stick ...
2009, Jeffrey Bernstein, Liking the Child You LoveYou are going to go from being a toxic-thought overreactor to a toxic-thought zapper.