Dalil

Quran Al-Mutaffifin 83:31

وَإِذَا ٱنقَلَبُوٓاْ إِلَىٰٓ أَهۡلِهِمُ ٱنقَلَبُواْ فَكِهِينَ

Translation

And when they returned to their people, they would return jesting.