Sunan an-Nasa'i 4762
سنن النسائي#4762Sahihأَخْبَرَنَا مُحَمَّدُ بْنُ عَبْدِ اللَّهِ بْنِ الْمُبَارَكِ، قَالَ حَدَّثَنَا أَبُو هِشَامٍ، قَالَ حَدَّثَنَا أَبَانُ، قَالَ حَدَّثَنَا قَتَادَةُ، قَالَ حَدَّثَنَا زُرَارَةُ بْنُ أَوْفَى، عَنْ عِمْرَانَ بْنِ حُصَيْنٍ، أَنَّ رَجُلاً، عَضَّ ذِرَاعَ رَجُلٍ فَانْتَزَعَ ثَنِيَّتَهُ فَانْطَلَقَ إِلَى النَّبِيِّ صلى الله عليه وسلم فَذَكَرَ ذَلِكَ لَهُ فَقَالَ " أَرَدْتَ أَنْ تَقْضَمَ ذِرَاعَ أَخِيكَ كَمَا يَقْضَمُ الْفَحْلُ " . فَأَبْطَلَهَا .
It was narrated from 'Imran bin Husain that:a man bit another man in the forearm, and his front tooth fell out, so he went to the Prophet and told him about that. He said: "Do you want to bite your brother's forearm as a stallion bites?" And he judged it to be invalid
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: 45:57