From the root "Deo" (having to do with God, i.e. diety) and "Phobia": an exaggerated usually inexplicable and illogical fear of a particular object, class of objects, or situation.
A word created by John Cooper of the band Skillet, first used in the song "Savior" off of Skillet's 2003 CD, "Collide"
People who are scared of people named gia, people named gia are the worst people you will meet they constantly yell even when you are an inch away from their face they are also about the size of a tic tac