Top definition
So tremendously epic that only an extremely long word can describe; to be awesome, fantasic, and orgasmic all at once.
"awmagawd, that quadruple backflip over the pit of doom was awesomafiablyfantasmic"

"the trip to the river on sunday is going to be awesomafiablyfantasmic!"
by 5UN5H!N3 May 28, 2009
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