A girl who is obsessed with the "yaoi" form of anime. Generally a loving and open person who readily *glomps* or *huggles*

Some are vicious porn frieks, but most are quite personable.
Katya, a.k.a. Queen of the Yaoi Fangirls, can be quite cute, but also vicious if you get between her and her pr0n.
by Zeta Gundam March 12, 2005
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Usually teen girls ranging from 8 to 15 year olds but could be any other too, a stupid fangirl is a girl that is obessed with their ''idols'' and worship them like living gods even when they never even met that person or their idols don't even know they exist, but in a rampant way, they will jump up to strike anyone who doesn't share their same opinion thinking their ''life goal'' is to defend them at all cost even when he/she may not even give a fuck, there are two types of stupid fangirls number one, those who dedícate their entire lives to that person that just wants the cash their fans and a way more confusing type of stupid fangirl, the one that will cut her arms and cry and Yell like a madtruck for their favorite arists/band/youtuber/book/novel/movie/*insert here any other famous fashion* because as a fact these girls do NOT wanna be fans of anyone who isn't famous or already worshipped by a cult of followers,
quoting usual stupid fangirls:
''Harry potter is gonna marry in the next chapter!!!!''
''Justin Bieber is not gay, everyone is just jealous of him''
''Im gonna slit your throat for calling my favorite youtuber bad!!!''
''Let's wrap up 1000 fanfictions of Twilight and BVB!!!

''Im'a Marry One Direction one day!!!!''
''Leave my idol alone you prick, just because you are no one and he's such a nice guy even thought i never met him!!!''
''Im'a subscribe to my favorite youtuber because he is my life!!
PS: this definition also APPLIES also to FANBOYS.
by StreetFunnel August 18, 2015
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One who is irritated by the insistent pleas of desperate fangirls claiming to one day marry a certain celebrity.
Anti-fangirls try to rid the world of this insane species.
ex. of a fangirl: "OMG! I lyKe lUv JoHnNy DePp! He'S sO hOtT!"
by Perple September 18, 2004
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Mainly edgy as fuck has sex with sans on camera all of them look like trash they always uses sans’ quote from the genocide run in undertale “your gonna have a bad time” all have animal ears and tails or they just have over exaggerated curves make horrible animation memes say they are sans’ wife and girlfriend (why do you say that you can’t be two things at once) ALWAYS have alternate versions of themselves make killing videos and they all hate cringe compilations even though they are in most of them don’t know grammar (that’s it)
It’s hard to find sans fangirls that don’t fit this definition
by Starrysanswhohas_met_every_one December 8, 2019
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A moment when a fan girl either thinks about her obsession, sees her obsession, or have her obsession be mentioned on tv/YouTube
Person 1: Hey, have you seen Cassie today? She's freaking out
Person 2: yeah....she had a fangirl moment when I mentioned Jack........
by tagat April 20, 2016
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Boy Love Fangirl. A girl who is a fan of gay love, pictures of boys kissing and slash.
Beth: OMG?! Have you read my new Gabilliam fan fiction?
Sofia: You're such a BL Fangirl
by BoyLoveFangirl June 1, 2009
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