83-Surah Al-Mutaffifin (Those Who Deal in Fraud) 31
And when they returned to their people, they would return jesting.
وَإِذَا انقَلَبُوا إِلَىٰ أَهْلِهِمُ انقَلَبُوا فَكِهِينَ
Quran's Tafhim ( explanation)
*12) That is, they returned home rejoicing, thinking that they had made fun of such and such a Muslim, had passed evil remarks against him and subjected him to ridicule among the people.