Surah Sad, ayah 57

هَٰذَا فَلۡيَذُوقُوهُ حَمِيمٞ وَغَسَّاقٞ ٥٧

Hādhā falyadhūqūhu hamīmun waghassāq

This - so let them taste it - is scalding water and [foul] purulence.