A girl who is addicted too books and the characters.
They dedicate there life on "fangirling" about it.
Nghi & Mia are such fangirls!

I love to fangirl on tumblr!
by The One Who Knows The Truth July 01, 2014
A Girl who worships certain bands (often untalented bands), celebrities/characters (douchebags such as Edward Cullen and the Jonas Brothers), TV Series and so forth. They're often extremely annoying and disrespectful of the opinions of others, especially if they oppose their own. They can be easily confused with Teenyboppers given their many similarities such as using low-quality cell phones often plastered with countless charms, stickers and such. Often times, they will persistently behave immaturely and never hesitate to promote whatever it is they love. I could go on about this for pages and pages but to put it shortly...Fangirls are fucking annoying!!
Scene: a calm, regular lunch period

Joe: So yeah, when's that homework due?

Robert: Lemme check *Robert pulls out his schedule* It's due at 4th period

Joe: 'Kay, sweet

*Chole (a fangirl) appears*

Chloe *to her friends*: OmmGZzZ ThE JOnaS BRothErs WEre IN CoNCeRT LASt NitEEe!!!!1!

Robert: Them friggin' fangirls are so annoying, along with that gay band they worship

Joe: So true man...

*Chloe approaches Robert and Joe*
Chloe: OMfGZoRZ!!! R U H8tIng ON ThE JOnAs BRotHeRs!!!!???!

Robert: Yeah, but that's just my opinion...If you don't like it, ignore it...just chill out

*Chloe and her friends annoy the living hell out of the two*
by MegadethFan345 March 02, 2010
an obsessive female/male/every thing else fan (usually of movies, comic books, or science fiction).
They fangirled while there OTP kissed
by Rori.P May 12, 2015
A fangirl is a girl which has an obsession or is very passionate about a specific topic , now this word sometimes is used with a negative meaning and fangirls are usually mocked and bantered, considered people affected by some kind of mental illness probably because sometimes their behavior is over-excited or because they express strong emotions for things that people don’t usually recognize important but this debate is mostly among points of view. Being a fangirl doesn’t only affect the way you socialize but also what you wear, what you buy, your priorities ecc.. all of this might sound a little bit extreme but being a fangirl is often considered also like a particular kind of lifestyle. Every fangirl belongs to one or more fandoms which are groups of people that share the same passion about a specific topic, there are lots of different fandoms that can relate to everything like singers, movies, books, actors ecc..
Fandoms are usually part of social networks and link people from different countries that share the same interest.

Fangirls have a specific vocabulary to communicate their emotions, who they think should get in relationship, more specific genres of stories ecc…
"What do you do in your free time except surfing the net?"
"Hey, I'm a professional fangirl! That's what fangirls do!"
by Tiri Vispi Weasley August 24, 2014
Very commonly misunderstood to be hyper-active and stalker-ish. But in fact, they are mostly peaceful introverts who don't have the courage to ask anything from any person in real life, and are most likely to live inside the internet. They may seem like a quite breed of cats at first sight, but if you insult them, remember that they have already planned 72 ways to murder you, 25 ways to kidnap you and 16 different ways to hide your body without getting caught by the law. This is mostly inspired by their obsession with a certain fandom.

Closely related to Nerds, at times. Male version of a Fangirl is known as Fanboy, and they're very scarce but existent nonetheless.
Jaz: Oh my gods! I just killed my ex-boyfriend, it was an accident I swear! What do I do now??
Sadie: Gods? Are you in the PJO fandom? It's okay, I'm a Fangirl myself. I watch Supernatural, CSI and Boston Legals. You've come to the right place, follow me.
by ~☻~ July 01, 2014
The very thing that I am. It's basically a girl of any age who has an obsession with an anime character, anime, video game character, video game, famous actor, etc. Some fangirls make fan fictions, fan art, and some even cosplay. Do keep in mind we are still people.
Over assuming person: "Fangirls are such freaks."

Fangirl "I don't understand your growing hate."
by Wolfrockbell June 19, 2014
A "fangirl" is a teenage girl that is dedicated to a artist. Whether this artist is/a singer(s), actor(s). A "fangirl" normally spends her time on the internet blogging, tweeting, or stalking these artists. A "fangirl" uses the lingo "asdfgjkl" and "I cant even" both show signs of the emotion "not being able to process what just happened." "fangirls" usually say "WHAT IS AIR!?!?!?" and "STOP I CANT BREATHE!" and "I FUCKING HATE YOU!!!" The last phrase is translated into "I LOVE YOU SO MUCH I HATE MYSELF FOR IT!"
Fangirl 1: "Did you hear One Direction's new song!?!"
Fangirl 2: "asdfghjkl"
Fangirl 1: "I know, I cant even!"
Fangirl 2: "I'm totally going to go home and blog about this!"
by littlethinker May 14, 2013

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