23:104
تَلْفَحُ وُجُوهَهُمُ ٱلنَّارُ وَهُمْ فِيهَا كَـٰلِحُونَ
talfaḥu wujūhahumu l-nāru wahum fīhā kāliḥūna
the Fire will scorch their faces and their lips will be twisted in pain.
The Fire will burn their faces, and therein they will grin, with displaced lips (disfigured).