1. A word used to represent the sound of a sudden, loud impact or explosion.
Usage: informal; onomatopoeia; often used in comic books and action scenes

1. A sudden loud sound or impact; an explosion or collision.
Usage: informal

Examples

• Kapow! The superhero punched the villain through the wall.
• The car hit the lamppost with a loud kapow.
• In the comic book, every fight scene was filled with kapow and pow sound effects.
• The fireworks exploded with a kapow that echoed across the neighborhood.
• He slammed the door shut—kapow!—and stormed out of the room.