A combination of both 'Fantastic' and 'Fabulous'
____________________________________
Join "Thats So FABULISTIC - a petition to get FABULISTIC into the dictionary! on facebook."
Instead of saying, She's so fantastically fabulous, a much better phrase would be, She's fabulistic.
One who is signed up to Facebook but only uses it to comment on others pictures, and upload their own; a dedicated camwhore who loves critiscizing the way you look in passive aggressive way. Easily identifiable, as they'll usually upload a hundred or so photos a day and have the insatiable habit of rating all of your photos out of 10.
Isaac: "Oh yeah, did you hear? Jenny finally signed up for Facebook."