To destroy or kill with a burst of gunfire, flame, or electric current. To kill or destroy as if by shooting. To strike suddenly and forcefully as if with a projectile or weapon: "His . . . narrative runs marvelously on and on, zapping the reader with often surprising and . . . painful glimpses\u201d ( Publishers Weekly). To expose to radiation; irradiate: "perfect for those who can't bring themselves to zap food in a microwave\u201d ( John F. Mariani). To attack (an enemy) with heavy firepower; strafe or bombard. To use a remote control device to switch (channels on a television) or to turn off (a television set). To move swiftly; zoom. Something that imparts excitement or great interest. Used to imitate a sound made by a gun when fired. Used to indicate a sudden occurrence.