Green’s Dictionary of Slang

of a female, having large breasts; often in comb., e.g. busty beauty.

1932		(con. 1917–19) Dos Passos Nineteen Nineteen in USA (1966) 471: All rocks and wine and busty blackeyed women.
1952		Lait & Mortimer USA Confidential 163: A busty blonde box-office draw.
1968		J. Barlow Burden of Proof 27: Quite a big girl. Tall. Busty.
1973		A. Bennett Habeus Corpus Act I: Busty girls in flowered scanties.
1976		(con. 1969) C.R. Anderson Grunts 41: A pair of leggy and busty Australians.
1985		J. Wambaugh Secrets of Harry Bright (1986) 117: Oleg Gridley [...] spotted the lone busty woman at the far end of the bar.
1995		R. Campbell Wizard of La-La Land (1999) 20: She wasn’t six feet tall, blonde and superbusty.
1999		Indep. Rev. 21 June 4: A busty beauty appears from the woods in a micro-skirt.
2000		Guardian Editor 21 Jan. 20: The busty virtual star.
2001		Eve. Standard Mag. 23 Feb. 27: If a girl’s really busty she’ll rub gold glitter in her cleavage.
2006		W. Chen Chutney Power and Stories 10: Beulah was the talk of the village as ‘the sexiest, bustiest chick’ to live in Caratal.
2023		(con. 1962) J. Ellroy Enchanters 126: [Marilyn Monroe] was another ‘busty bombshell’.