• تَمْرَحُونَ
• مَرَح

Appears 3 times in the Quran.

1. 17:37 وَلَا تَمْشِ فِى ٱلْأَرْضِ مَرَحًا إِنَّكَ لَن تَخْرِقَ ٱلْأَرْضَ وَلَن تَبْلُغَ ٱلْجِبَالَ طُولًا

   And do not go about in the land exultingly, for you cannot cut through the earth nor reach the mountains in height.
   

2. 31:18 وَلَا تُصَعِّرْ خَدَّكَ لِلنَّاسِ وَلَا تَمْشِ فِى ٱلْأَرْضِ مَرَحًا إِنَّ ٱللَّهَ لَا يُحِبُّ كُلَّ مُخْتَالٍ فَخُورٍ

   And do not turn your face away from people in contempt, nor go about in the land exulting overmuch; surely Allah does not love any self-conceited boaster;
   

3. 40:75 ذَٰلِكُم بِمَا كُنتُمْ تَفْرَحُونَ فِى ٱلْأَرْضِ بِغَيْرِ ٱلْحَقِّ وَبِمَا كُنتُمْ تَمْرَحُونَ

   That is because you exulted in the land unjustly and because you behaved insolently.