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To be or do something/someone of asian greatness.

when some thing goes the way you whant it or is fricken sweet.

something ninja.
1. "Dude that party was Japtastic"

2. "His ride was Japtastic!"
by Willie "SexyNinja" Coffman March 16, 2008
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Sep 6 Word of the Day
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Damn that was a steezy ass kickflip son!
by niggaliciouszor April 29, 2007
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2
An adjective which encompases all that is great about being a jap. From juicy sweatsuits to baby blue BMWs from tiffany's charm bracelets to tacky J'adore Dior t-shirts.
Omg, have you checked out Rebecca Goldhorowitz's new cashmere Juicy sweatsuit? Throw that together with a pair of Tory Burch's and you've got yourself one japtastic outfit.
by AMarrisE May 11, 2008
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