Sunan an-Nasa'i 5122
سنن النسائي#5122Da'ifأَخْبَرَنَا مَحْمُودُ بْنُ غَيْلاَنَ، قَالَ حَدَّثَنَا أَبُو دَاوُدَ، قَالَ حَدَّثَنَا شُعْبَةُ، عَنْ عَطَاءٍ، قَالَ سَمِعْتُ { أَبَا، } حَفْصِ بْنَ عَمْرٍو عَنْ يَعْلَى بْنِ مُرَّةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم أَبْصَرَ رَجُلاً مُتَخَلِّقًا قَالَ " اذْهَبْ فَاغْسِلْهُ ثُمَّ اغْسِلْهُ وَلاَ تَعُدْ " .
It was narrated from Ya'la bin Murrah that:The Messenger of Allah [SAW] saw a man wearing Khaluq and said: "Go and wash it off, then wash it off, and do not put it on again
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 48:83