I. ˈtəsh noun
Etymology: Middle English tusch, from Old English tūsc; akin to Old Frisian tusk tooth, Old English tōth tooth
Date: before 12th century
: a long pointed tooth ; especially : a horse's canine
II. interjection
Etymology: Middle English tussch
Date: 15th century
— used to express disdain or reproach
III. ˈtu̇sh noun
Etymology: perhaps modification of Yiddish tokhes, from Hebrew taḥath under, beneath
Date: 1970
slang : buttocks