Originates from the DC Comic cartoon character - The Flash.

It is used to describe things that are superhumanly amazing, and awesome, pretty much THE best thing EVER.

It can also be used as an alternate form of the word "go" when playing games.

Typically it is best used to describe activities that you want kids to get REALLY stoked about.

Alright guys! This game of dodgeball is going to be FLASHTASTIC!

Ok kids, when I say "flashtastic" you are all going to spin around 20 times and then begin!!!

Those tater-tots are flashtastic. totally.

Flashtastic by the JR January 1, 2009

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Flantastic

When something is so amazing, that it rivals the consistency of Flan. In theory.

Lee: Dude, this essay is totally...totally...I can't think of a word!!!!!!!

Kerry: Flantastic.

Lee: Flantastic???

Kerry: Yes.

Lee: What!?!?! That doesn't make sense!

Kerry: It does if you have a 12th level intellect. Do you?

Lee: ...no, I don't know what that is.

Kerry: Then you don't have it, so shut up.

Flantastic by Staff Sergeant Kerry Hicks November 6, 2007

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Blacktastic

Rapper name for white guy named Will Stamper, a guy who designs the site www.newgrounds.com

"This is Stamper, A.K.A. Blacktastic"

Blacktastic by Freddie March 29, 2005

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fecktastic

from the root word meaning fuck and the seconday root meaning fantastic, they combine and make, fecktastic. Which is fucking fantastic.

Holy ballsack, pie if mfin fecktastic.

fecktastic by Marty Schneider July 19, 2004

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