Fantastic, amazing, and spectacular all in one. If you're fasmatic, you're an incredible person! Females are often called this when they are too hot to handle.
"Dang, did you see Taylor today?"
"DAMN. She's fasmatic! Maybe I can tame her."
A person so dedicated towards a specific interest that their former heterosexual origin is brought into question, therefore faggotizing them. This individual is a fagnatic.