A female who acts a certain way for attention, but always gets the wrong attention. A "Cassi" has syblings with special needs and get more attention than she does...so she will act out in different ways to fill the hole of her emotions.

Very needy, to the point of pushing people away.
gets drunk to deal with feelings of lonliness and acts even crazier.

Her ways of getting the attention she needs usually consist of drinking to the point of vomiting, trying to make out with everyone around her, obsessing over something( a boy, a color, a car...)
"Breanna gets one beer in her and turns into a total Cassi."

"Um, will you please kick that Cassi out of my house? I don't need vomit on my parent's carpet."
by lexbobexxx February 18, 2010

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