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Shortened choice of typing "What the fuck Japan" for users who just recieved various mindfucks from a display of Japan's idiosyncratic media.
User 1: lulz they just released a new game where u can dress anime skoolgirls with a variation of living animals and then shoot from snake bazookas or something

User 2: cans u use invisible chameleon?

User 1: fuck yes

User 2: lol wtfjpn
by Jigmew August 24, 2009
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Jul 29 Word of the Day
Someone who used to be a potential girlfriend/boyfriend, but no longer is.
Tim: Zack, is that your exgirlfriend?
Zack: No, she's an expotential. We never actually dated...
by brownsuite September 24, 2011
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