A now dried up word used to describe anyone who likes anime or japanese popculture even to the extent of being the equivalent to japanese otakus who cant be called weaboos(even though many japanese otakus are characterized as acting exactly the same).
Around 2010 and before weaboo was intended to mean anyone who thought they were japanese and knew a lot about the culture when they didnt, but was commonly just used on introverted "dorks" who was "obsessed" with japanese popculture.

Nowadays the word is mainly or only used by people who like japanese popculture and believe they are the TRUE otakus. They generally believe that they are better than said "weaboo" because they think their taste in anime is better or that they are less "weeby" for actually trying to learn japanese. The word can be also shortened to "weeb" in short.
Dork: "Wow. Look at that weaboo. Their profile pic is an anime. hahaha"
Person: "Did they just call me a weeb because of my profile pic. Get a life"
by claydon101 December 10, 2017
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A person who watches 2 or more animes.
I watched attac on titan im such a weaboo!
by Kawaii desu! December 25, 2016
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The act of being Justin Wu in which you display behaviours of faggottry and an undying hard on for shitty cartoons
Jin Kit: You know that Justin kid, he's such a Weaboo
Fuman: Yeah i know what a fag
Lychee : Nice memes m8 xD
by Justinisaweaboofagoot June 19, 2015
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When directed at a native Japanese, weaboo is synonymous with Otaku.
This jap is mad cringe when talkin with biddies, mad weaboo yo.
by itsallgoodgames December 22, 2018
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Weaboo or Weeb

This word is used when some one is being annoying and you can’t take it.
Quit being a Weaboo
by FortniteMaster98 January 5, 2018
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God dam weaboo's!
stuckfixated sucks my weaboo!
Stfu you damn weaboos!
look at that weaboo!
by Mission obviouis December 12, 2006
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Caleb McLean and Bill Sprinkel
They are Weaboo.
by Bloodsword May 18, 2015
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