One who attempts to appear to others as something they are not, especially by their manner of dress; a charlatan.

also 'poseur'
Take off that gold chain Julio, you're such a fucking poser!
by Tracey December 28, 2004
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Virtually every kid in my school. They're almost all middle class, suburban white kids, who wear there pants to their ankles, and say they're "gangsta". 1, maybe 2 kids have any ties to gang activity. You ain't a gangsta, so pull your pants up!
poser gangsta: Wassup White boy?

Me:You're just as caucasian as me

him: ...
by A regular kid November 29, 2006
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A word popularized by the teenagers of this generation. It is used to describe someone who is "biting off" another person, and one who tries to fit in with a group. Honestly, no one even gives a shit about who are "posers" and who aren't. In today's logic, any newcomer is a poser, or anyone who decides to wear something else or listen to something else is a poser. The word is used to bash those who try new things regardless of reason for doing so, and it's one of the most overused words by teenagers. It is mostly used by people who have no self-esteem and resort to talking down to other people or friends to satisfy themselves. Seriously people, fuck off already.
Guy #1: Dude, stop wearing LRG, you're such a fucking poser!
Guy #2: Whateva, I do what I want!
by Anonymous Dude February 26, 2008
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One who pretends to be a celebrity or other famous person on Myspace, Facebook, Youtube, or any other social networking site.

They get most of their information from Google, IMDB, interviews, and Popstar Magazine.

One of the lines some posers use is: "I don't care if you think I am a poser. Don't add me...it's ur loss."
Caitlin: OMG! I just found Taylor Lautner's Myspace page! He commented on my default pic!

Ashley: That's not Taylor! That's probably some middle-school girl posing as Taylor!

Caitlin: I need more proof. This isn't just another poser, because how would someone who's not Taylor know that much stuff about himself?

Ashley: Popstar Mag my friend. That and IMDB.
by Jessisaywhat? June 25, 2009
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an extremely overused word... and missused too... FUCK THIS WORD...
poser=poseur... but it used so much in a sense we are all "posers"
by jimmy sunshine November 20, 2005
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What punks/skaters/goths call people who try to be punks/skaters/goths but are too mainstream. Personally I think that this whole "anything that's mainstream is bad" idea is retarded. Don't you people realize that if you're punk, goth, skater, or whatever you are that you're still conforming, just to a different group? When everybody's an "individual," no one is. The people you call "posers" are the ones who do what they want and don't care what anybody else thinks, and thats the way it should be. Who the hell are you to decide whats "punk" and whats not? If people think they're punk but they wear Abercrombie, then just let them be, they're being themselves.
I'm a girl, and I wear Abercrombie and American Eagle clothes. I also wear a lot of pink and I wear makeup to school. But if you look in my garage, you will find a $130 skateboard and about 10 different ramps and grind bars. Call me a poser if you want, but I'm just being myself.
by Prodigy IV September 29, 2006
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This is a word used for people who act, dress, talk like people they aren't. It's a label for a person who is pretending they are someone totally different. It's most often used to describe people calling themsevles "punk."
Lil Johnny Bob is such a f*cking poser. He gets liberty spikes and puts safety pins in everything he owns and now automatically assumes he's a punk rocker child?! Bullsh*t!
by idontthinksobitch May 11, 2003
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