Green’s Dictionary of Slang

(US campus) large breasts.

1989		P. Munro Sl. U.
1996		Eble Sl. and Sociability 89: A term for ‘female breasts’ [...] bodacious tatas, was taken directly from the film An Officer and a Gentleman.
2000		posting at www.delta-green.com 30 Mar. 🌐 Flying them does not require a college degree or getting that horndog from Oklahoma to help you with your fluid dynamics homework so you can get liberty and cruise for bodacious tatas.
2016		New Yorker 11 Aug. 🌐 I noticed all the young women passing by—some, yes, in booty shorts and with bodacious tatas.