Sunan Ibn Majah 895
سنن ابن ماجه#895Da'ifحَدَّثَنَا مُحَمَّدُ بْنُ ثَوَابٍ، حَدَّثَنَا أَبُو نُعَيْمٍ النَّخَعِيُّ، عَنْ أَبِي مَالِكٍ، عَنْ عَاصِمِ بْنِ كُلَيْبٍ، عَنْ أَبِيهِ، عَنْ أَبِي مُوسَى، وَأَبِي، إِسْحَاقَ عَنِ الْحَارِثِ، عَنْ عَلِيٍّ، قَالَ قَالَ النَّبِيُّ ـ صلى الله عليه وسلم ـ " يَا عَلِيُّ، لاَ تُقْعِ إِقْعَاءَ الْكَلْبِ " .
It was narrated that ‘Ali said:“The Prophet (ﷺ) said: ‘O ‘Ali, do not squat like a dog.’”
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:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiHasan
Shuaib Al ArnautVery Daif
Zubair Ali ZaiDaif
In-book reference: 5:93