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A psycho nut job. Someone who cannot handle life and becomes institutionalized, or should be institutionalized. Shaina's might be beautiful, but they are dark and disgusting on the inside. Usually quiet, alone, mean and never make long term commitments due to lack of emotional capacity/capability. Stay away from Shaina's- they will cut you
Janice: "Becky starting cutting herself"
Kerri: "She's a total Shaina"

Frank "Did you hear about Tod?"
Joe "Yeah, I heard they couldn't sew his cock back on after some girl went Shaina on him"
by Lucky8Ball November 19, 2011
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One who poops in the shower ¯\_(ツ)_/¯
Hey Steve, Shaina poops in your shower.”
by Shaina6969 September 14, 2018
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Female name often referring to beautiful; most Shainas are known to cheat whether its on a test or in a relationship. They also are known for acting selfish because they think they are the only thing that matters in the world.
That Shaina girl cheated so many times on my man, Jerome. He didn't deserve that. He deserves so much better.
by Mike & Ike Matthews July 29, 2011
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A horrible girl that us usually considered a chav. She is always trying to overthrow people and therefore have no friends. She usually has a beat friend called Alyssa who she is jealous of. Alyssa secretly hates Shaina but Shaina is such an oblivious person. She will never have a good boyfriend because they are all scared of her.
I hate that girl Shaina
by shedecee July 10, 2020
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Shiana, a bipolar girl. But will always be loyal and a good friend. She always has people who like her but there is this one specific guy who will always like her and wills talks her until she dies. Shainas' will have lots of bsfs and your very lucky to have on if you can get one. They are caring, fun, and will always ft you even when your sleeping at 1 am. They will always have ur back and will always love you.
Shaina is a weirdo
by April 11, 2021
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