Surah Al-Qalam 68:16
سَنَسِمُهُۥ عَلَى ٱلْخُرْطُومِ
We will brand him upon the snout.
Translation: Saheeh International
Tafsir
We shall brand him on the snout We shall leave a distinguishing mark upon his nose one by which he will be reviled for as long as he lives; and so his nose was chopped off by a sword at Badr.
Excerpt from Tafsir al-Jalalayn, commentary on 68:16, via Quran.com. The reader has the full commentary and 9 more tafsirs.