Zap meaning : A sound made by a sudden release of electricity or some similar energy. An electric shock. A raucous public demonstration designed to embarrass a public figure or celebrity as a form of political activism. To make a zap sound. To use a remote control to repeatedly change channels on a television. To strike (something or someone) with electricity or energy, as by shooting. To kill; to eliminate. To damage (especially electronics) with electrostatic discharge. To heat (something) in a microwave oven. To delete or discard (electronic media). To further energize or charge (magnetic material). Representing the sound or action of a zap.