1 definition by South Vigo Highschool

Top Definition
Someone acting insane like an animal or ghost. Such as screaming, running, or just acting completely idiotic and fake.
That girl Libby is the biggest banchee I have ever seen, all she does is run down the hallways screaming and sticking her butt out like she is cute. She is annoying, don't you hate her? I heard she make her voice sound like that because she thinks it is cute. F.Y.I it isn't!
by South Vigo Highschool April 12, 2008

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