Hey! Let's get this evolving definition up to date, or a bit more accurate. Don't know how it began, but these days there are wapanese all over the place, not just among the white people of the world. They are to be seen throughout Asia, Southeast Asia, with some even in Africa. And some of them, unfortunately, do actually make their way to Japan, although as hinted elsewhere usually not through any real work or effort of their own--but there are means, one of which is indicated in the Example section, below. (Please don't tell any wapanese about it; there are already too many of them in Japan.)

Wapanese - Japanese wannabe, as in "I wannabe Japanese, 'cause it's subarashii!" A member of a small, spreading subculture, usually someone with only the most superficial, shallow-minded concept of Japan and her culture and language, who decides that it is somehow something to be worshipped, and proceeds to do so by way of the to-be-expected most shallow and silly means, e.g., using language sprinkled with Japanese pop culture words, eating, displaying and talking about Pocky and other Japanese junk food, doing Japanese cutesy girls cosplay, wearing ridiculous makeup in imitation of faddish Japanese girls intentionally wearing ridiculous makeup in order to identify with a certain mod-like, drifting, anti-authoritarian, hedonistic, morally compassless, of...