little airheaded teens that obsess over unsubstantial stuff ranging from flashy clothing lines to cheap fanfiction to gay male celebs.
fangirl1: OMFG!!!!!!!111 JOE JONAS IS HAWT!!!!!!11
fangirl2: totally..... <3<3<3
fangirl3: back of girls, hez mine!!!!

fangirl1: have u read twilight??? isnt it so beautifully romanttic?????
fangirl2: ooh yes....smeyer is a genius
fangirl1: lyk, did u knw there r twihaters out there???
fangirl2: OMEC OMEC whtz wrong wid dem??? i'll get my vamps to kill them!!!!
by crazinessrocks September 1, 2010
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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 11, 2015
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someone that is dedicated to something that makes them happy
man: why do you like 5 seconds of summer so much?
fangirl: they make me happy
by gēm June 14, 2018
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Ever watched TRL when N*Sync or BSB or God only knows who else came on? And all those screaming, squealing, crying girls would stand outside in -20 degree weather in skimpy wedding dresses with signs that said "MARRY ME JUSTIN!!!!!!!!! I <3 YOU!!!!!!"?

Fangirls should not be allowed to breed.
0oh MY GAWD!!!11 ASUKIWANATAKIMUSHO IS HAWT
!!!!!!! insert banshee like screams and squeals here WE RE GONS 2 GET MSRRIED N HAVE LOTS N LOTS N LOTD OF CHILDRNEN!!!!!! I <3 ASUKIWANATAKIMUSHO LOLOLOL ^________^ S0ULMATYES 4 LYFE!
by ky January 13, 2005
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A VERY scary girl that is hopelessly in love and obsessvive about a male charector (real OR not). They waste bandwith on many celebrity related sites by their excessive spamming and double posting. The write horrid fanfics about themselves marrying their obsession and having lots of kids. Their vocabulary has yet to expand from OMG,hawt,hot,like,awesome,love,marry,SQEE and kiss.
me: Hi!
fangirl: Do you like orlando bloom? OMG he is so hawt! I am gonna marry him and have 30 kids!
me: okay... (runs away)
by guest drone #89 December 11, 2004
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Typically used to denote one with an unhealthy obsession with anime characters, although the term can also be applied to those who obsess over actors who are real (which can be considered a step up or down from anime fangirls, depending on how you look at it). Characteristics include the the propensity to discuss their character of choice's personality, accomplishments and so on, completely failing to realize that it's just a fucking cartoon; to write horrible fanfics pairing characters together, often characterized themselves by an obsessive focus on yaoi; and to use anime-inspired emoticons such as ._. and -_-;, with the semicolon in the latter example being repeated to express progressing exasperation (-_-;;;;;;;;;; etc). Typically 12-15 years old; after this point, the fangirls really should know better, and are reclassified as, simply, morons.

Fangirls, as well as their counterpart the fanboy, should be avoided at all costs; do not respond to them in any way as you will only encourage them more. Rather, you are encouraged to strive for a clean headshot whenever possible. Burn the body and exorcise the ground upon which it fell.
vash is so much sexyer then inuyasha omg -_-;;;;;;;; but id like to c them in bed 2gether xDDD
by J January 7, 2005
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a girl who obsesses over a band or a specific person in a band, only likes the band because they are hot.
dedicates their myspace/facebook/tumblr to their 'fav' band.
Dresses up for their concerts wearing bright and ugly clothes and acts totally obnoxious just to get attention. writes the band name all over their bodies. has 100 of pictures with the band, or photoshopped pictures w/ the band. yells at her top of lungs "IWANTYOUINMYPANTS!"
oMgggzZ joHnOOOhhH iZzz sOo fucKInG sHMexxzy as fUcK! I iz a fangirl
nick santino is such a hottie!
tHe maINe is muHHH Lyfeeee.
all tiMe loW= gask!arth and baraKAat.
by rannahahhagvskg. April 15, 2009
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