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 (ﷺ) who invalidated it and said: 'Would one of you bite (another) like a stallion?'" (JA)
English reference (JA): Vol. 3, Book 21, Hadith 2657 (JA)
Arabic reference (JA): Book 21, Hadith 2759 (JA)