Green’s Dictionary of Slang

1. (also tooshy, tushie, tushy, tussy) the buttocks.

1958		Southern & Hoffenberg Candy (1970) 95: The pins grew into clusters like two little bouquets, one on each of Livia’s handsome tushy.
1965		L. Bruce How to Talk Dirty 5: Actually she bit his ass, going ‘Oom, yum, yum, is this a tush, whose tushy is that?’.
1968		K. Brasselle Cannibals 46: You can bet your cute little tushie I’ll call you in time.
1974		(con. 1960s) R. Price Wanderers 79: Oh, Scottie Hite, you naughty boy! You kissed my tushie!
1977		T. Berger Who is Teddy Villanova? 143: I got some jam on my tussy.
1978		L. Kramer Faggots 44: He patted Patty’s tush.
1979		E. Torres After Hours 41: Betancourt had cushions for their tooshies.
1987		(con. 1967) E. Spencer Welcome to Vietnam 194: Oh, let’s just take a little check of the tushie [...] shall we?
1988		D. Woodrell Muscle for the Wing 87: Where them naked girls dance and bend over with their tushes in men’s faces.
1990		S. Morgan Homeboy 136: She would [...] stoically betray her ideals flashing tush.
1997		Mad mag. Feb. 10: That’s blackmail. You bet your tushy.
2000		Indep. Rev. 7 Mar. 7: Wriggling her expensive tush.
2001		‘Randy Everhard’ Tattoo of a Naked Lady 217: Her tasty tushie was pink from all the effort of undressing.
2009		J. Stahl Pain Killers 83: First thing you be learnin’ is how to spot a UC. Right after how to keep your tush cherry.
2015		J. Stahl OG Dad 230: She will bunch up some toilet paper and kind of air-wipe her tushy after going pee-pee.
2015		P. Beatty Sellout (2016) 35: Sending me into the fields with a pat on the tush.
2019		P. Baker Fabulosa 299/1: tush bum.

2. (US gay, also toosh) the vagina.

1972

B. Rodgers Queens’ Vernacular 199: toosh (les sl, fr Yid = fanny) 1. sex organ of a woman.