fantasticer
More fantastic than another; being held higher regard than someone else
"He is sweet", "He is fantasticer"
fantasticisms
Something that a gay dancer exudes.
"I exude fantasticisms"
fantasticalness
Something that is so fantasitc, that is needs a bigger and better word. Therefore the adjective {fantastic} is added thusly.
Your wedding decor was so incredible, it was beyond words. I can only describe the sight as fantasticalness.