The Mormon heartland of Utah, especially the area around Salt Lake City; a play on the word Mordor of Lord of the Rings fame.
I had to go to Morridor for the BYU home game.
by Ex-Pfizer October 29, 2011
1 more definition
The Mormon corridor, a region of ubiquitous LDS political and cultural influence stretching from Phoenix through Rexburg, Idaho. Also a play on Mordor from Lord of the Rings.
by Elmsy February 03, 2014