whammo

/ˈwæmoʊ/
interjection
  1. Used to emphasize a sudden, dramatic, or surprising action or event.
    • She pressed the button, and whammo, the rocket launched into the sky.
    • He pulled the lever, and whammo—the trapdoor opened.
    • I added the secret ingredient, and whammo, the cake was perfect.
Synonyms
noun
  1. A sudden, forceful impact or event; a wham.
    • The boxer delivered a whammo that knocked out his opponent.
    • There was a whammo as the heavy crate hit the floor.
    • The car hit the wall with a whammo that echoed down the street.
Synonyms
What does "whammo" mean? | whatsthatwordmean | whatsthatwordmean