"Let my people Goku!"
It is true that your average Japanese person is more likely than your average American (or what-have-you) to read the occasional manga or buy a Tony Chopper cellphone strap. They also have about as much respect for rabid anime fans as they would for, say, animal tortue enthusiasts or flesh eating bacteria with poor table manners.
Upon arriving in Japan, foreign Otaku often find it easier to deny their nerdish interests, despite that being the reason they came to the country in the first place. Which brings us to today's vocabulary:
Notaku - n. 1). An anime enthusiast in denial.
2). "I'm not an anime fan, I just like Miyazaki films. Well, and Cowboy Bebop. And One Piece. And Berserk. And Hanaukyo Maid Team La Verite. And..."
3). 90% of English-speaking foreigners in Japan.
Usage: "Brad? That f***ing Notaku's wall of shame is twice as big as mine."
"Notaku? I'm not a Notaku. I just like Miyazaki films. Well, and Cowboy Bebop. And..."