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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

Weeabrony 

Like a weeaboo thinks they're an anime character, a weeabrony is a brony who thinks that they're a character from the children's show My Little Pony: Friendship is Magic, even using words from the show in their language such as everypony, anypony, etc. and are some are most likely cloppers. They are generally more hated by other bronies like cloppers are, and are usually crucified by anti-bronies.
Dan: Hey, everypony!
George: Ugh, it's that disgusting weeabrony trash, Dan.
John: DAN, WE ARE NOT SMALL HORSES, WE ARE HUMANS, GOD DAMMIT!
Weeabrony by Dovahbear November 2, 2014
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
More from Urban Dictionary

You met me at a very Chinese time in my life

A moment in time where you feel distinctly Chinese over all other things.
Dante: "I wish I could be Nigerian, but I can't because I'm Chinese. You met me at a very Chinese time in my life."
Word of the Day on September 25, 2026
Adjective. Used to describe persons who have adjusted or altered their lifestyle for environmental reasons. Crunchy persons tend to be politically strongly left-leaning and may be additionally but not exclusively categorized as vegetarians, vegans, eco-tarians, conservationists, environmentalists, neo-hippies, tree huggers, nature enthusiasts, etc.

Also used to describe establishments where alternative foods and products are sold, i.e. natural food stores.

Modified derivative of granola.
"I need more crunchy guys in my life. I'm so tired of dating preppy metrosexual assholes."

"I'm heading out to the crunchy store to pick up some fair trade chocolate and tea tree oil, do you need anything?"
crunchy by EBC July 11, 2007
Word of the Day on September 24, 2026
A group of people, typically women, searching through someone’s digital footprint in order to find more information about that person.
Susie wasn’t sure if her new Hinge match was a creep, so she assembled Galantir and they found out he used to post slurs on gaming forums.
Galantir by Ge-sus September 22, 2026
Word of the Day on September 23, 2026

murderhobo 

In a tabletop game, a murderhobo is a player who murders NPCs indiscriminately. This is normally derogatory, referring to a player who totally ignores quests, dialog, backstory, trade, world building etc.

The term is most common with Dungeons and Dragons, but it can be applied to most RPGs where the player is allowed to kill most quest-giving NPCs and NPC traders. E.g. Elder Scrolls, Fallout, Divinity original sin.
DM: The sad little orphan girl tugs at Steve's trenchcoat to get his attention, and ask for help saving her pet dog from...
Steve: I'd like to roll a strength check against strangling the orphan.
Dave: I call dibs on the dog.
DM: You murderhobos disgust me.
murderhobo by Loup&S September 9, 2021
Word of the Day on September 22, 2026
In sales terms, a whale is a prospect that is significantly larger than an organization’s average customer.

Whales are large and extremely difficult to close. Due to their immense size, they are highly sought-after.

A whale is typically identified at first by a whale hunter on the sales team, but often requires cross-discipline participation in order to close; this includes assistance from operations, engineering, creative, client success, and business development teams.
"Shit...the sales director chewed me out on the sales call this morning. He's totally pissed that I have nothing in my pipeline. I've been focused on this one whale for so long that I haven't had time to prospect for normal-sized deals."
Whale by FQ_GFY February 3, 2020
Word of the Day on September 21, 2026

Concrete cowboy 

A guy who thinks he's a country kinda guy, but in reality lives a comfortable city / suburban life.
Eugene: Look at that dude in the cowboy hat!
Todd: He's just a concrete cowboy.
Word of the Day on September 20, 2026
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