A person that is not Japanese themselves (mostly on groups) who think that Japan is the most best countries in the world, and disrespect their own culture and country. They also believe that when you watch little bit of anime, you will be able to speak japanese, which they suck fucking alot on speaking it. They also attempt to do "anime cosplays" with freaky costumes and it can be unhealthy.

NOTE: You are not a weeaboo, if you like Japan, and respect it's culture and stick with your own country traditions, and culture. You can watch anime and hentai, if you like and that would not make you a weeaboo. You'll become weeaboo if you believe Japan and everything coming from Japan is best than others, and forget and disrespect your own country and it's culture + traditions.
Weeaboo kids: Papa, papa! Are we kawaii? If you say no, then you're a baka!
Dad: Speak like normal people or otherwise I'm gonna bring the belt!
by someunfunnyguy69 May 25, 2018
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A word filter for the image board 4chan.org that replaces the word wapanese. Originates arbitrarily from a Perry Bible Fellowship comic strip wherein a man was paddled by a crowd chanting "Weeaboo! Weeaboo!"
"Those Wapanese kids think Japan is so great."
becomes
"Those weeaboo kids think Japan is so great."
by Mike Yarram August 29, 2005
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A non Japanese person who denounces their own culture and calls themselves Japanese. They try to learn Japanese through the anime they watch and usually end up pronouncing it wrong and looking like a complete idiot.

KEEP IN MIND:that a non Japanese person can like the culture,speak the language,watch anime,speak the language,and RESPECT THE CULTURE,while still keeping in touch with their own. Which keeps them from being a Weeaboo,japonphile,etc.

Weeaboos basically disrespect the culture and make complete asses of themselves
That dude at the comic book store is such a weeaboo
by Knowledge Master March 29, 2017
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A weeaboo is a person who watches too much anime, anime consumes their life untill the point where the person starts to think that they are Japanese from watching anime, during these stages the person will start collecting figures of anime girls in sexualized poses these anime girls are more than likely under aged 14 year olds, then the person will start reading something known as manga which is basically a comic book in Japan, the person then gets a body pillow of their favorite 14 year old anime girl and they usually sleep with it in very sexual ways which turns them into borderline pedophiles, once the person has begun to think they are Japanese they start trying to learn Japanese through the shows they watch, they also believe that every Japanese person speaks in a dramatic voice whenever they talk, for more information please go watch tvfilthyfrank's video titled "weeaboos"
Me "dude did you hear about jake!?"
Friend "no what happened !?"

Me "he has a body pillow of an anime chick I think he's a weeaboo!"
by Ultraman Nexus August 11, 2017
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A weeaboo is a non-Japanese person who acts as if they are Japanese. This phrase is commonly missused with a person who enjoys and is interested in the culture, but still knows their place and their personal culture.
Weeaboos: "Weeaboos have infested the internet."
Non-Weeaboos: "She likes anime and stuff, but she's not a Weeaboo."
by bumbumbuuum December 3, 2016
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1. Any self-proclaiming anime fan who alienates themselve from their own society and assimilate into the Japanese culture from which they know little-to-none about; using their so-called anime knowledge as a guide, which destined them to ultimate failure in assimilation. 2. A special breed of anime fans who put Japan on a pedastol and prefer them over any other countries in terms of multimedia, courtship, etc... (E.g. prefer Japanese/Asian sprouses, prefer J-music > Amer. music, wanna live and die Japan, etc...) As far as anime goes, they know only little. For example, the average weeaboo knows only americanized anime; preferly uncut with jap. audio and eng. subs ( E.g. Naruto, DBZ, Bleach, Haruhi Suziyama, Lucky Star, etc...) and memorized every japanese song from their favorite shows.

Note: Anybody who watches some anime and reads manga are not weeaboos. Those who go over-broaded with their anime, hentai, and pocky obsession are.
A classic example of a weeaboo's presence on the net, this unknown 16-year-old girl's rant about Miyavi:

Gaaaaaaaaaaaaahhh!!
OMG! I loooove Miyavi!!!
FYI - all you haters - I saved ALL these pictures!!!
Miyavi-desu...aishiteru!!!!

...so hot, so fine, so sexy, so cute, so funny...*dies*

note that Weeaboo love over-using common japanese word/phrases, like kawaii, desu, and aishiteru accompanied by a exclamation mark.
by skylar85100 June 27, 2009
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A non-japanese person who likes Japan a little... Too much.

Weeaboos will often use broken Japanese (e.g. "Wow! That dog is so kawaii, mukyuu~"), cover the walls in their room with posters of anime girls in bikinis, and worst of all, they will dislike any race or ethnicity that isn't Japanese, even their own.

Weeaboos are very offensive to the Japanese because they put a very unhealthy stereotype on the Japanese. That is why every weeaboo in the world must be exterminated.
Person 1: Oh my gah! That neko is so kawaii~! Fuwa fuwa neko chan~
Person 2: Huh?
Person 1: So kawaii, right? Neko-neko-chan~~!
Person 2: Oh, yeah... Very, uh, "kawaii"... (What a weeaboo!)
by Ross the Chihuahua April 18, 2020
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