zapper

noun4

1. •
   (informal) A device that electrifies or electrocutes.

   • Miranda is not the sort of person to carry a zapper but she has an oar that would cause a dog a lot more grief if it caught it full on. — 2005
2. •
   (informal) A remote control for a television.

   • The news is starting on the other channel; hand me the zapper.
3. •
   (informal, figurative) Anything that exterminates.

   • 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 […] — 1989
4. •
   (slang) A microwave oven.

   • I hate to spoil your microwave testimonial, but they were actually cooked in the regular oven this morning and just re-heated in the zapper. — 2011