Barbi Quicksand Share definition Flag 1. A sex act where-in a man or woman tries to see how far they can stick a Barbi Doll into they pussy or anus. Barbi Quicksand isn't as fun as it sounds.... Barbi Quicksand by the2ndflood October 4, 2007 0 0 Get merch Get the Barbi Quicksand mug. Buy Now — $32.95 See more merch