"backside, buttocks," 1962, an abbreviation of tochus (1914), from Yiddish tokhes, from Hebrew tahat "beneath."
tush interj.
mid-15c.; see tut. Related: Tushery.
1520s, along with tush (mid-15c.), a natural interjection expressing impatient or dismissive contempt.
also tushie, 1962, from tush (n.) + -y (3).
updated on February 20, 2014
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