1 definition by Staff Sergeant Kerry Hicks

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.
by Staff Sergeant Kerry Hicks October 19, 2007
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