jazz hands
US /ˈdʒæz ˌhændz/
UK /ˈdʒæz ˌhændz/

1.
jazz hands, enthousiaste handbewegingen
a gesture in which a person waves their hands in front of them, typically with palms facing forward and fingers splayed, often used to express enthusiasm or to add a flourish to a performance
:
•
The performer ended the song with a flourish of jazz hands.
De artiest beëindigde het nummer met een zwierige beweging van jazz hands.
•
She gave a little bow and some enthusiastic jazz hands after her presentation.
Ze maakte een kleine buiging en wat enthousiaste jazz hands na haar presentatie.