whamo

/ˈwæmoʊ/
interjection
  1. Used to describe a sudden, forceful impact or action, often in comic books or informal speech.
    • He swung the bat and—whamo!—the ball flew over the fence.
    • I pressed the button, and whamo, the engine started with a roar.
    • Whamo! The superhero landed right in front of the villain.
Synonyms
noun
  1. A sudden, powerful blow or impact.
    • The car hit the wall with a loud whamo.
    • The boxer delivered a whamo to his opponent's jaw.
    • With one whamo, the hammer drove the nail into the wood.
Synonyms