thist Share definition Flag 1. The ancient spell used by the wizards of Vrastadon to vanquish the evil overseers of Gastoda from the land to make the world a better place. 1. And so he raised his hand and yelled thist, thus vanquishing the overseers and freeing the land. thist by Kunushi March 30, 2008 0 0 Get merch Get the thist mug. Buy Now — $32.95 See more merch