TUSH

I. 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, II. interjection Etymology: Middle English tussch Date: 15th century — used to express disdain or reproach III. noun Etymology: perhaps modification of Yiddish tokhes, from Hebrew taḥath under, beneath Date: 1970 buttocks