Quran 83:31 — The Cheaters (Al-Mutaffifeen)

وَإِذَا انقَلَبوا إِلىٰ أَهلِهِمُ انقَلَبوا فَكِهينَ

When they got together with their people, they used to joke.

[83:30] When they passed by them, they used to poke fun.

[83:32] Whenever they saw them, they said, "These people are far astray!