The curves on a woman such as her breasts and/or ass. This usually refers to her suculant breasts and her apple bottom ass, not her hourglass figure.
The outage refers to the actual ass and breasts because they stick out or protrude.
Did you see the outage on that bitch?
Man I'd love to get my hands on that outage and go hard b-to-a.
That bitch has the biggest outage I've ever seen.