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1.
adj. A word that, youtube personality, Dan Brown invented in his January 18, 2010 vlogvetica video. It is used to describe something that is epic, fantastic, spectacular, or fabulous.
"That is the spantaculous thing that I'm going to do to end this video."
by Supersmith420 January 19, 2010
 
2.
Spantaculous is a word used in similar occasions as the words awesome, spectacular, great and other words with a positive meaning are used.

The word's origin is yet unknown. But it is a fact that it was not invented by youtube star Dan Brown (as in, not the famous author) in his vlogvetica video "Spantaculous".
Jokes-person-who-watches-youtube-vlogs: "Have you read John Green's books? they're supposed to be SPANTACULOUS!"
not-so-jokes-person-who-doesn't-like-computers: "uuuuu... who's John Green? and what are books?"
Cool-person-who-watches-youtube-vlogs: "wait, you know what 'spantaculous' means?"
not-so-jokes-person-who-doesn't-like-computers: "yeah, don't you watch vlogvetica?!"
by yupyupdatsme January 18, 2010