Mormonlandia Share definition Flag a term used to describe the entire state of Utah, of which is predominately occupied by those of the Mormon (LDS) faith. To be absolved of the sins I committed in Las Vegas, I plan to make a pilgrimage to Mormonlandia. Mormonlandia by KILLERBEE July 26, 2007 0 0 Get merch Get the Mormonlandia mug. Buy Now — $32.95 See more merch