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A infectious disease contracted by young american males or females through the popular culture of anime (Japanese Cartoons) and develop a heavy addiction to this culture at different stages.

Stage 1 (Low Addiction): Often talks about anime shows and characters

Stage 2 (Medium Low Addiction): Constantly talks about anime shows and begins to do impressions
Stage 3 (Medium Addiction): Begins to purchase anime posters and figurines

Stage 4 (Medium High Addiction): Purchases Japanese weapons such as Katanas and Anime Character Costumes and goes to every available Anime convention
Stage 5 (High Addiction): THIS IS THE POINT OF NO RETURN IF A PATIENT IS IN STAGE 5 THERE IS NO CURE FOR HIM. In Stage 5 the patient's love (key word) for anime has gone to a extreme level. The patient has purchased for him/herself a membership at Rosetta Stone just to learn a shitty version of Japanese and now starts to gain weight.

Stage 6 (Extreme Addiction): The patient shows an unhealthy obsession towards certain characters after the purchase of a body pillow (a pillow the size of that character or person) and begins to show sexual feelings toward the pillow.
As a professor in weebotology, I have never seen anything past stage 6 but I have seen some people on stage 6 where he/she could not be fixed. The only solution that I could come up with is bleach and I recommend clorox. Clorox is the only solution for weebola patients past stage 5.
Hey what happened to Jimmy? He was infected with Stage 6 Weebola. (proceeds to break down into tears)
Related Words
A Minecraft streamer with a MASSIVE DUMPY
I heard WeeBop couldn’t fit through a doorway because of his MEATY behind
WeeBop by JFK in DaBaby Car May 29, 2021
An overly zealous anime fan, usually a newer or younger fan to anime who is very loud and excited about anime. These fans are the loud minority of fans that are very upfront and loud about anime in public - unlike the silent majority of anime fans.

Weeboo is also associated with the idea with the idea that this anime fan is excited about anime, but does not know much about anime. This goes back to the generalization that weeboos are newer or younger fans.

These anime fans are the "stereotype" of anime fans which the general public points to as fans of anime. They are the type of anime fans that use Japanese in there everyday conversation or push there love of anime on other people who are outside the anime fandom. These people do not always understand the concept of inside voices.

They are also different from anime fans - or otakus in Western culture - who are zealous about their fandom in private or at appropriate times, such as anime conventions or with other anime fans.
Look at this weeboo running around screaming about Pokemon.

I was just talking to this weeboo who said they love Sailor Moon but couldn't name any of the Outer Senshi.

These weeboos make it look like every anime fan is a hyper screaming five year old.
weeboo by DuckyC December 9, 2012

Weebologist 

The weebologist is studying a weeaboo's daily activity.
Weebologist by Hirosh November 3, 2016
A weebo is much like an Otaku. Weebo's-or commonly misspelled, Weaboo- is an over obsessive fan of Japanese culture, and are giving Otakus a bad name. They revolve their whole lives around anime and manga, usually with the main stream material. The common Otaku likes anime, and does occasionally cosplay. Weebos just cosplay and watch anime to be like the Otakus. Weebos are usually friends with Otakus, and want to impress them. (So they watch Naruto, Inuyasha, etc.)

Most weebos speak Waponese, or use google translate to act like they know Japanese.
They misuse the words "Baka," "Kawaii desu,""Moshi-Moshi," "Aishiteru," and so much more.
Most of them use names on chatrooms with the word "Anime," "Kitty," "Maid," and "Manga" beware!
The otakus would like them out of their fanbase, please.
Weebo: Kyaaa! Did u liek, c that new episode of ____~? KAWAAIIIIDESUU~!

Otaku: Yeah. It was okay. But it wasn't a new episode...

Weebo: Really?! I'm so baka! Thanks! Aishiteru~! KYAAAA! DESU!!!

Otaku: .... Whatever. Please go away.

Weebo: But I love you desu!!! Aishiteru! Anime!

Otaku: GO. DIE.
Weebo by SmileyFaceForYou August 24, 2010

weebology 

The study of weebs, or weeaboos.
I'm going to get a PhD in weebology so I can finally understand those weeaboo freaks.
weebology by Nat1198 March 4, 2015
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proper lad 

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