DictionarywhoopeeExcited exclamation
interjection / noun

whoopee

woo-PEE/wʊˈpiː/

An expression of exuberant excitement or celebration.

Whoopee, the birthday surprise worked, she cries with her hands raised joyfully!

An East Asian woman throws her hands up joyfully beside a successful birthday surprise, delighted expression.
Etymology

Whoopee extends whoop, an excited cry, and was recorded with the meaning “noisy, unrestrained revelry.” As an exclamation, it makes that exuberance a direct expression of delight.

More examples

  • Whoopee, school is out for the summer!
  • "Oh, whoopee, another meeting," he says with a sigh.
  • The wedding guests make whoopee until dawn.

Similar words

hooray
Expresses celebration or approval, often as a group cheer.
yay
Often expresses casual pleasure rather than exuberant celebration.