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Cassie is a communist robot developed for the Vietnamese by the Chinese to attack western civilization. She uses her attractive looks to gain access into top secret military facilities, where she then drives everyone crazy due to her easily confused nature. She runs on an outdated operating system and has virtually no computing power whatsoever. She was considered a huge flop, and as a result has not been updated in over 40 years, and as a result only serves to correct peoples grammar.
Felix- "Dude what's wrong?"
Mitchell- "Ughhh nothing just this girl Cassie is killing me"
Felix- "How so?"
Mitchell- "she corrects everything I write and gets confused so easily"
Felix- "Oh dude I know what you are talking about. I saw Inception with her and she was so confused I didn't even know how to start explaining it to her"
Mitchell- "Cassie will be the death of me"
by panerai214 October 14, 2010
Derived from the Turkish word kurt kedi, which when translated means "wolf-pussy." Cassie is a negative person who thinks she's really cool even though she is not. She has a bad habit of talking to guys who already have girlfriends, eventhough that guy doesn't know what she is trying to do. A Cassie likes to hang around in a large group so she can be easily camoflauged. When seen out alone a person is immediately drawn to her lazy eye and crooked Central Incisors. If you ever run into this Cassie character you should run in the opposite direction as to not catch anything.
Did you see that girls photo on facebook? She was pulling a total Cassie; you couldn't see her left eye!

SO this Cassie was trying to talk to my boyfriend! That wolf pussy gots to go!
by ocanada20 December 13, 2011
Often mistaken for a ferret. Always has ratty hair and mouldy cheese in her ears which atracks the neighbour hood mice.
Eww what happened to your hair you look like a Cassie?
by JesusPinappleee December 02, 2011
Fine ass girl that used to be a model, and came out with the song Me & U.
Cassie has been compared to Aaliyah and Rihanna
by Elluzive July 14, 2006
Commonly known as a super bitchy self-centered teenage slut. One of the worst kinds of liars. All she cares about is herself and her loose not so virgin virginity. She'll date and flirt with guys if single or not; watch out boys, she'll date your friends, or your brothers.
Whoa, look at her, simply a disgrace to humanity. Possibly worse than Osama.

Well damn, she must be a Cassie.
by Number 00.7 August 11, 2011
cray cray. ginger. definitely has no soul. completely weird but absolute loveable. likes to make out with freshies. super strong. will not admit defeat. her ass is named rhonda and rhonda is BIG. btdubs, shes pretty sexy.
hi sexy
by jossara May 15, 2011
Model-turned-"signer." The girl who sings "Me&U" which appears on her debut album 'Cassie'. The album debuted at #4 though she has no talent whatsoever other than having a pretty face.
Boy #1: You heard of that girl Cassie, the singer?
Boy #2: She's fine as hell but she can't dance or sing to save her life
Boy #1: True. But I would still smash
by 301huny August 22, 2006