fantabulous[fan tab′yo̵̅o̅ ləs, -yə-]
fantabulous definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Slang remarkably good
Origin: fant(astic) plush (f)abulous
fantabulous definition by American Heritage Dictionary
Marvelously excellent: “a really fantabulous find, just magnificent” (Mel Fisher).
Origin: Blend of fantastic and fabulous.