quanny Share definition Flag a girl who seems innocent and nice on the outside. on the inside, she's secretly a sex maniac who is the life of the party. she's fakin' and no one knows it. "I can't believe Quanny was making out with that guy last night!" quanny by chezzle April 2, 2008 0 0 Get merch Get the quanny mug. Buy Now — $32.95 See more merch