1 definition by Rob, a.k.a. "Shaggy"
A term, and/or description, of a woman's breasts that are so large that they literally "break" her back.
"Damn ! Look at that chick's tits...hope she's got a good chiropractor cuz those are some backbreakers."
by Rob, a.k.a. "Shaggy" October 24, 2006