If someone is gormless, they're unofficially and temporarily semi-braindead. So it figures that if you can be gormless, you can also be full of gorm. People without gorm are boring - so people with Gorm are super-fly!
Gorming... Is the process of mindlessly gazing into the window of nothingness contemplating weather said nothingness is going to lead you into the abyss of full blown boredom and numbness of absolute nothing