an otaku is a word commonly used to describe someone who is either obsessed with Japanese culture or a geek who spends all his/her time watching anime and never leaves the house. these are both false; that is the definition of a weaboo. an otaku is simply a fan of anime and manga and stuff like that. not a geek who has no life; not a weaboo. but sometimes, otakus try too hard and do turn into weaboos. for a better idea of the difference between otakus and weaboos, read my definition on weaboo.
~Pauly-T-Swizzle
me: hey, do you watch anime?
friend: anime sucks.
me: no, you suck. anime is good.
friend: your such a weaboo.
me: no, im an otaku.
by Pauly-T-Swizzle April 20, 2013

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Often used as an insult in Japan for someone who is obssessed with anime, manga, video games etc.

Used in western culture to identify who reads manga and watches anime. It is sometimes confussed with weeaboo-ism, in which said person has an infactuation with japanese culture, i.e. everything including manga, anime etc.
Otaku boy: Did you read the latest chapter of Naruto?

Otaku girl: Yeah, did you see Minato completly own Madara with a Rasengan, Youndime 4 ever *fist pump*
by ShadowScream July 29, 2010

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Otaku are smelly, furry, plump creatures that are usually found in their natural habitats: their own mother's basements or in their dark rooms where the only sources of light are the bright glow of their computers or television
my friend is an otaku, he stays in his room on the computer and TV all day
by Amos Nusheg February 19, 2008

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A weeaboo in denial.
If you call yourself "otaku" and you're not a young Japanese person, odds are you're a weeaboo.
by ElMitchoBandito June 22, 2017

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Otaku is rooted from the Japanese word オタク and can be used in many different ways the most common is refers to someone who is obsessed with Japanese culture specifically in Manga, Anime, Cosplay and such, The Japanese definition of Otaku is a nerd or weirdo.
"Gosh, Miranda Sings is such an otaku she is always watching some form of Anime."

"Look at him he is such an Otaku always playing with Pokemon trading cards."
by Ihatetofu March 06, 2017

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1. A Japaneses man-child.
2. A non-Japaneses who is obsessed with Japan and do stuff like watching Anime, reading manga and buying body-pillows They are similar to a weaboo however they have some major differences that set them apart. Otakus manage to stay in touch with their own culture while also respecting Japaneses culture and not look like complete asses while weaboos make them selves look like asses by acting Japanese even though they are clearly not Japanese which disrespects Japanese culture.
1
that guy is Japanese and he stays in his home and acts like a man-child. he must be an otaku

2
Person : you're a weeb
Otaku : I like my culture as well as Japanese culture so I am an Otaku.
by criplin' depression October 20, 2016

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A person who watches a lot of anime, reads a lot of manga, or both. May stay up late at night to fill their otaku needs.
She joined the otaku fandom after she started watching Sailor Moon, Fairytail, and SAO.
by LopiSnas October 03, 2016

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Otaku is a Japanese term for people with obsessive interests, commonly the anime and manga fandom.
John - I heard that Quinn is an Otaku!

Seth - Awesome! I'm into anime and manga too!
Seth - I love being an Otaku
by Quinniethepooh May 30, 2016

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