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Sien

Ahh yes, the sien. One of the fierce-known warriors of Halo I & Halo II. If you ever come across a sien, chances are you will never know, for a shot so clean and crisp has just sliced through your cerebral cortex leaving you incapacitated... yes, Headshot!
STK_OGRE 1 says "Yo Rippon, did you hear footsteps?" Rippon replies, "I thiin... " --- What Rippon will never know is that he almost saw a sien --- STK_OGRE 1 says "WTF! Rippppppppooooonnn!! Noo-- " HEADSHOT!

a.k.a. pWñzÖ|2z
by Dr. Science a.k.a. OGRE 1 April 21, 2005
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Sierra

She thinks she is ugly, but she isn't. She gets bullied on but, she doesn't care. She hates parties, if she goes to one she will just stand there. She doesn't like school, she only likes to go because of her friends. She has little friends. Overall she only does internet dating, some people may like her in the real world, but doesn't know.
Boy: who is that ?
Girl:I think that's sierra, she is ugly.
Boy:no she is beautiful
Girl:Eww
by Sierra Buetow November 1, 2018
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Related Words
sienna sierra Siena sie sieve Sienna mae sierra mist sieg heil Sien siesta

Sienna

THE HOTTESTE GIRL IN HOTTY LAND❤️ If you find a girl like her MARRY HER SHE IS THE BEST GIRLFRIEND EVARRRR! If you have a friend best friend names sienna you need to keep her she will be your SHISTER for life! Her friends are the most trustworthy people in the whole word! If you FaceTimeher every second of your life THAT MEANS SHE WANTS TO BE YOUR FRIEND! All the boys think she is sexy and HOTT! All the boys think she is ugly but REALLY THEY LIE THEY WOULD DIE FOR HER! Sienna also loves to make her friends happy
Random besh: Sienna is SOO hot
Other random besh: I KNOW RIGHT
by RANDOM BESH March 19, 2019
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Sierra

She's the type of girl to have the fattest juciest ass in the solar system
You can't be friends with her in fear she'll squash you with her phat ass
Blonde eyes blue hair
Person 1:MMMMMPH
person 2: told you if you got too close you'd be swallowed up in Sierra's fat ass
by Jdjfjehdjdn May 9, 2020
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Siennah

Siennah has complete sass and is #swaggy. She is way #cooler than her friend georgia, who is Facebook famous! Siennah is only friends with her for her popularity and likes on Facebook. Siennah hates this girl called Emma young as she believes in the religion 'yolo' Siennah is not a believer. Siennah's other friend, Lizzy, has had way too many bowl of queeriosss!
swaggy cool yolo Siennah
by Siennahiscool November 17, 2013
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Sierra effect

Answering a question with rhetorical jargon, skating the topic, or placing blame on another source to avoid signs of under-qualification.
I'm getting the sierra effect from this guy blaming the Internet Service Provider for the customer's inability to get online simply because the person cannot carry thier machine to another location.
by jimjimjimjoe September 21, 2006
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beanie siegal

dirty ass N.Y. rapper. Born in Phillidelphia. Signed with the ROC. On trial for attempted murder. Is quite good.
"Man that dude B. Seigal is hott!!!!!!!!!!!"
by cory tee May 4, 2005
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