twi!crack Share definition Flag The addictive psychotropic novel and its sequels, which has been blamed for the loss of an entire generation of American girls. "Yeah dude, Cindy got into that twi!crack, and now she lost her scholarship to Dartmouth." twi!crack by canisqmajoris June 16, 2008 0 0 Get merch Get the twi!crack mug. Buy Now — $32.95 See more merch