Otaku

Otaku is a Japanese slang word which means someone who is crazy about something, especially
anime and manga. Originally, otaku was a word to speak to someone from another family with
respect.
In Japan, otaku is generally considered a rude word. Calling someone an otaku in Japan would
be a very bad insult. However, in America, otaku is often used to refer to fans of anime and
manga. In America, calling someone an otaku is not necessarily rude. In Australia the term
"otkau" is seen not only as not rude but in a lot of anime fans cases as a thing to be very
proud of being called. The term "otaku" being used as very knowledgeable geek, obbsessed
with anime, extreme fan of anime and manga.