First used in early 2009 in Victoria, Australia, this term is commonly used as a colloquial term in both a descriptive and derogatory fashion.

Noun - To describe a person that shows a distinct lack of moral fibre and/or moral scruples. A person that acts selfishly, with or without any thought, towards a person or persons towards whom they should demonstrate respect, grattitude, or ethcial consideration towards.

Adjective- An act that is performed by one person towards another person, often causing tremendous disadvantage to the affected party, and is performed to provide the perpetrator with some type of gain or advantage.
SIDNEY is a term that can be used in the same fashion as, and in place of, the term Judas.

"I got that bitch a job, a house, lent him money, and then she pulled a SIDNEY on me. She took my job, screwed my husband, and kicked my dog. What a cock smoker!"

"I cant believe he chucked a SIDNEY on me! After all I have done for that guy he really stabbed me in the back..."

"Mate, I really need your support on this right now. If I bring you in on this project you better make sure you don't rip me SIDNEY style, or I will be forced to kick your ass!"

"I can't believe my bastard husband! He left me with a young child, no money, took the car, and was fucking my best friend behind my back...he really handed me the big SIDNEY, and I don't know what to do."

"You treacherous, SIDNEY-ass motherfucker."
by K9GUY June 2, 2009
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I never want to go back to school, I’d have to see Sidney, ew”
by Todd smith dog October 20, 2020
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piece of shit and will stab you in the back.

b i t c h
sidney i know you suck your ex's dick.
by guccigangsnudes August 3, 2018
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A very loud man that drinks a lot of beer. Sometimes funny but often goes too far with his jokes. Wears a large size in shoes...and you can often find him being pulled over by the police or in a ditch!
BOY: Did you see that guy getting arrested?

GIRL: Yeah he must be a Sidney!

BOY: What a badass!! I wish I was a Sidney!
by Srock12 February 9, 2017
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A chocolatey sexy zoe papi who's 6'3 that hoops. He's also muscular and very athletic. He can do a lot of things your MCM couldn't. Which means unfortunately, he can take your girl. On the other hand, if seen on the court, he'll give you work. In other words, he's a snack.
"Omg Bae you lookin like a Sidney! "

"Sus did you see that boy?"
"Giirrll hell yess, he fine as sidney."
by Sidney: March 14, 2017
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Sidney: should be a girl name but obviously his parents didn't love him enough. Rude, chews, thinks they are God.
"Sidney is the worst"
by BombVaJay_Jay0327 April 13, 2019
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a badass girl who never dies even when stabbed or shot a million times.
i love how much of a sidney prescott you are
by screammovie July 4, 2017
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