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A girl who has Good Vibes. She thinks she's super ugly but actually really pretty. She can sometimes have really bad depression but hide it really well. They have a past that no one really knows. They have really good taste in fashion, but have a different style then most. Most people like her. If guys like her they'll keep it a secret and reject that they do. She also doesn't think she can sing but people tell her other wise. She stands up for what she believes in and defends people. They have a smile that lights up the room and really pretty eyes. She doesn't date a lot. If she likes you its obvious. She can get made fun of sometimes. If she has a problem she isn't going to tell anyone. At party's she's the life of it. She loves to dance.
Guy 1: Damn, who's that dancing other there.
Guy 2: Idk but I bet its a Sierra.

Guy 1: You're probably right. I mean look at her.
by GoodVibePerson December 28, 2014
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May 14 Word of the Day
Intelligence agency term for "psychological operation". A government or corporate-sponsored operation, usually taking the form of a "terrorist attack" or "crazed gunman on a spree", with the intent of panicking the public into demanding more police and laws inhibiting freedom. Psyops are usually carried out by drugging a civilian or group of civilians with aggression-promoting drugs, psyching them up, arming them, and sending them out to commit mayhem. Government-sponsored terrorism. See also blackshirts, conspiracy
Person A: Man, that nutcase Martin Bryant guy shot 35 people in Tasmania!

Person B: No, he wasn't a nutcase, that was just a psyop so the government could have an excuse to ban guns.
by Mystikan April 11, 2006
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2
Sierra's the type of girl that brings the best out of you, she's the best thing that could ever happen to someone, she's beautiful , amazing , and a bestfriend when you need her. She's a all out Great Person that deserves the best and needs to be treated like a Princess.
Boy 1: I Need Someone Special In My Life

Boy 2: Then You Need A Sierra
by AyoZipp November 05, 2012
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3
Sierra is an amazing person. Shes very gorgeous and has the cutest smile. shes mean at time but she makes it up for being there for you. she a best friend everyone needs. She can also be the love of your life. shes someone you love and need in life.
by ThatRandomGuy978 May 16, 2016
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4
A sexy, Sweet, Beautiful, Gorgeous, bi-racial, Loving girl that is known as the best dancer and a ride or die kind of girl. Super outgoing, Its impossible not to love her or want her she irresistible! If she gives you the chance too win her heart definitely keep it and don't ruin it.Every man wants her, while she only has eye for one person. Sierra will put up with a lot but one day will get up and leave out of the blue so watch out, her loyalty runs so deep so dont mess that up. If you are left by a Sierra it WILL be the biggest mistake and you WILL realize it. Sierra's are gorgeous inside and out. Sierra has the greatest advice and the most amazing heart. Sierra is real and most of the time NEVER fake she knows how to stick up for her self and the people she loves. Beware if you don't think she's gorgeous then you'll fall for her personality. If a Sierra is hated its over jealousy. Shes so funny and you love surrounding yourself around her. She can brighten your days and is the friend everyone goes too. When motherhood hits she will be the best mother, thus being kids love he.She always holds on to the one she loves most, and shows her appreciation through spending time with you. Sierra will go out of her way for her loved ones. This is someone you want in your life, for the rest of your life.
Sierra is very outgoing...
by Cici B January 24, 2017
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5
sierra is an athletic girl who is self conscious about her body when in reality it's attractive. she feels ugly because no man likes her but as she matures in life she will be very popular with the boys. she has only a few very close friends but the ones she does have will last a lifetime. also she's smart as hell, and all these bitches that think otherwise be trippin...
Who's that hot girl over there?

Oh thats Sierra, go hit her up, she's chill af
by real_Hams December 15, 2015
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6
That girl you can NEVER get to join a Hangouts call.
Sierra, please join the call. "I can't..."
by Real_NoobToob May 03, 2020
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