celebrationslap

noun
UK /ˌsɛlɪˈbreɪʃənslæp/
US /ˌsɛləˈbreɪʃənslæp/

A happy high-five or pat you give someone to celebrate something good.

After she won the race, her teammates gave her a big celebrationslap.


OTHER MEANINGS

2. A loud clap made together with others to show joy at a party or event.

The whole room broke into a celebrationslap when the birthday cake arrived.

3. A playful smack on the back given to a friend who just did something great.

He gave his brother a celebrationslap after the goal.

4. The sound of many hands slapping together during a festive moment.

You could hear the celebrationslap from the street.