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?'" (FR)
English reference (FR): Vol. 3, Book 21, Hadith 2657 (FR)
Arabic reference (FR): Book 21, Hadith 2759 (FR)