Wiktionary
big-breasted
a. Having large breasts.
Usage examples of "big-breasted".
She was a strong one, this big-boned, big-breasted woman with her unhappy eyes.
At his side stood a big-breasted waif, one in a long line of big-breasted waifs Sam had raised to glitterdom then parted from in public dramas that had left the women's careers destroyed and his reputation as a ladykiller enhanced.
She was naked, a big-breasted brunette staring around in near-hysteria.