A 'Tumblr girl' is a person who wants to build their ego by taking pictures of themselves in which in modern day "mainstream" fashion. They will then beg their audience with some quote seeming all nice, to attract a rather sensitive appeal to their audience as well as being a looker.

'Tumblr girl's can be boys or girls, who have a instinct for being 'Tumblr famous'. They are very usually popular, commonly annoying, and they conceive to their-selves with the word "swag"
A Tumblr girl holding up a piece of paper in their mouth saying "BeYouTiful". Posting it onto whatever social website they want, and sharing it plenty of times.

Snog.Com is a perfect example, too.
by Menlikeitdeep May 20, 2012
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Uhh fucking no. idk where these other definitions came from but tumblr is a social network that does indeed have a hipster side but is also full of fangirls belonging to various interesting fandoms. Most girls are antisocial and look to tumblr as a home to freely be themselves. They aren't "wanna be perfect girls," they are girls that see that they aren't and try to accept it as much as they can. In fact, most cannot accept it. Do not keep in your head that they are snooty hipsters as seen in these definitions. You probably won't even get the chance to meet them or realize that they are part of tumblr because they stick to themselves, far from the spotlight, and not self obsessed as they take "1,000 selfies." Please do not associate tumblr--the website--with perfection, especially if the girls try so hard to get there.
"Why is she always on her phone?"
"Oh, her? She's a tumblr girl. Don't expect her to tear her eyes away to socialize."
by Carry-on-gayward-ships August 17, 2013
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Tumblr girls are not the steriotypical starbuck loving, white girl with high waisted shorts and crop tops who use a canon camera. These girls are just girls/guys who use tumblr to help them be free. On tumblr people can do or say just about anything. You cant described people as tumblr. Its a website people go to for comfort. REAL tumblr girls go on tumblr no matter how they are feeling. Its like a second home to them.
Other people: "she is so tumblr" or "tumblr girls are so annoying"
Tumblr people: tumblr is so comforting and its like a second home. I love being on tumblr . Im so free.
by grunge.r4d November 14, 2015
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a tumblr girl has gorgeous, long, flowy sunkissed blod hair, often braided just so. she has the perfect tan, almost burnt but still golden. she has the perfect body. tones legs and stomach, but not too muscly. cute nose, beautiful eyes, prefect teeth and smile. every teenage girl who's tumblr active wants to be a tumblr girl. they are instantly reblogged, and admired.
Omg, i was on tumblr earlier and my dash was flooded with tumblr girls! so jealousss.
by hoooolymoly July 22, 2011
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A girl who is completely obsessed with clothes from Aeropostale and Starbucks and is a fake fangirl. Synonyms include Poser and Hipster.
A: Omg Becky, you look like a total Tumblr girl!
B: Shut up, you're just jealous of my Aero and Starbucks!
by WhiteRabbit7102 December 10, 2015
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girls who try too hard to look either rich, grunge, smart, or better than you
Luke: Look at those wanna-be tumblr girls
Michael: Yeah, they look like idiots.
Ashton: Just look at their band shirts. I bet they don't even know one song by Nirvana other than "Smells Like Teen Spirit"
by kaelynnorm June 13, 2015
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a fake Tumblr girl or should I say female because most of them will get angry that you assumed their gender. They are those girls who always wear flannel, chockers, skinny jeans and usually have pixie cuts and/or dyed hair. They never stop talking about bands especially Twenty One Pilots, Fall Out Boy, and Panic! At The Disco and sometimes but not really anymore My Chemical Romance. They also never stop talking about how they are bisexual/lesbian/pansexual or genderfluid/a boy even if everyone else knows its a huge phase and it's actually ruining the lgbt community. They usually say "I'm so emo" whether its a joke or they actually believe themselves when really they're not and they're just a wannabe. They usually act deep without actually genuinley being deep, they also are like hipsters with posting auesthetic type pictures. They will most of the times claim they have a disorder like OCD, depression, anxiety disorder etc. when really they don't and it insults people with actual disorders. They are also overly obsessive with Steven Universe and Undertale. They think they're so cute when really they're super fake and it makes girls that look like them look bad when they're not fake at all.
Man this school has so many fake tumblr girls
by Jake The Doggo October 24, 2016
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