whoopee

interjection
UK /wʊˈpiː/
US /ˈwʊpi/

A happy shout you make when you are having fun.

Whoopee! We're going to the zoo today!


OTHER MEANINGS

2. Loud, noisy fun or merrymaking.

The party turned into a night of whoopee.

3. A shout of joy or excitement.

The kids let out a whoopee when the snow started falling.

4. Used in the phrase 'make whoopee,' meaning to celebrate noisily.

They made whoopee all night after winning the game.