حَدَّثَنَا عَلِيُّ بْنُ مُحَمَّدٍ، حَدَّثَنَا عَبْدُ اللَّهِ بْنُ نُمَيْرٍ، عَنْ سَعِيدِ بْنِ أَبِي عَرُوبَةَ، عَنْ قَتَادَةَ، عَنْ زُرَارَةَ بْنِ أَوْفَى، عَنْ عِمْرَانَ بْنِ حُصَيْنٍ، أَنَّ رَجُلاً، عَضَّ رَجُلاً عَلَى ذِرَاعِهِ فَنَزَعَ يَدَهُ فَوَقَعَتْ ثَنِيَّتُهُ فَرُفِعَ إِلَى النَّبِيِّ صلى الله عليه وسلم فَأَبْطَلَهَا ‏.‏ وَقَالَ ‏"‏ يَقْضَمُ أَحَدُكُمْ كَمَا يَقْضَمُ الْفَحْلُ ‏"‏ ‏.‏

It was narrated from 'Imran bin Husain that a : man bit another man on his forearm; he pulled away his arm away and the man’s tooth fell out. The matter was referred to Prophet (PBUH) who invalidated it and said: 'Would one of you bite (another) like a stallion?'” Translation Not Available

Book Ref: Sunan Ibn Majah Book 21 Hadith 2657
Web Ref:  Sunan Ibn Majah Vol 3 Book 21 Hadith 2657