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Sexy, usually ginger, smart and funny usually a girl.
Boy: Ohhhhhh Yeahhhhhh. She is so damn Ivie :)
by PoisonIvie August 14, 2011
Sometimes pretty little red-heads that can be as bad as their friends' girlfriends.

Also referring to a plant or flower
Poison Ivie/Ivy
by The Last Angel August 14, 2011