Bidemigender is a combination of bigender and demigender. In other words, it is when one identifies as two demigenders. Bidemigender people can be a combination of any two demigenders. For example, a bidemigender person could be a demiboy and a demigirl.
People who experience more than two demigenders can be tridemigender.
this is better refered to as Demibigender
History
Bidemigender was coined on the LGBTA fandom by user Trashwoof on December 20th, 2020.