Top Definition
somethning that is better than fantastic, its so ace , cos (i) made it up , oh yes, im fantabiliostic, lol
MEANS , GREAT OVER THE MOON, simply the best thing in the world
"your fantabiliostic homeslice"
"this butt sandwhich is fantabiliostic"
by miss homeslice jenna September 14, 2006
6 Words related to fantabiliostic

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