have a ball

Mane (Îngilîzî)

To enjoy oneself thoroughly; to have lots of fun or excitement.

Hevwate

have a good time

Werger

Spaß haben

sich bestens amüsieren

eine tolle Zeit haben

distrair-se

divertir-se

Etîmolojî (Îngilîzî)

Likely from ball in the sense of a dance.