tushy

[too sh-ee]

tushie

or tush·y

[too sh-ee]
noun Slang.
  1. the buttocks.

Origin of tushie

1960–65, Americanism; apparently alteration of Yiddish tokhes tokus, with -sh- substituted for -kh-; see -y2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Word Origin and History for tushy
n.

also tushie, 1962, from tush (n.) + -y (3).

Online Etymology Dictionary, © 2010 Douglas Harper