A way to describe an amazing object or occurance.
The less than 1% of population that actually looks good in spandex
Marvin: "How was the parade?"
Martha: "Oh, it was spandacular! There was great music, floats, and tasty free food."
(Penelope comes in wearing new spandex)
Winston: Wow Penelope! You look absolutly spandacular in those new spandex you just bought!"
Penelope: Why thank you very much!