noun. The seat of testicular-fortitude-y power in the female frame of mind.
Real citation: "Folks, that takes balls--lady balls. We call 'em 'Thatchers.'"
(Stephen Colbert, April 24, 2006, The Colbert Report)
Made-up citation: "According to a recent poll, a lady with lady balls is preferable to a dude with man-boobs."