From Wiktionary, the free dictionary
Alteration of an earlier borrowing from Latin iocus.
Jux m (strong, genitive Juxes, plural Juxe)
- joke
- als Jux ― in jest
- aus Jux und Tollerei ― for the fun of it
- “Jux” in Duden online
- “Jux” in Digitales Wörterbuch der deutschen Sprache