Surah At-Tawbah 9:35

يَوْمَ يُحْمَىٰ عَلَيْهَا فِى نَارِ جَهَنَّمَ فَتُكْوَىٰ بِهَا جِبَاهُهُمْ وَجُنُوبُهُمْ وَظُهُورُهُمْ ۖ هَـٰذَا مَا كَنَزْتُمْ لِأَنفُسِكُمْ فَذُوقُوا۟ مَا كُنتُمْ تَكْنِزُونَ

The Day when it will be heated in the fire of Hell and seared therewith will be their foreheads, their flanks, and their backs, [it will be said], "This is what you hoarded for yourselves, so taste what you used to hoard."

Translation: Saheeh International

Tafsir

On the day when it shall be heated in the fire of Hell and therewith their foreheads and their sides and their backs shall be branded burnt — their skins will be stretched until these hoards of gold and silver can be placed on them entirely and it will be said to them ‘This is what you hoarded up for yourselves so …

Excerpt from Tafsir al-Jalalayn, commentary on 9:35, via Quran.com. The reader has the full commentary and 9 more tafsirs.