look up any word, like hipster:
 
1.
Sexy, usually ginger, smart and funny usually a girl.
Boy: Ohhhhhh Yeahhhhhh. She is so damn Ivie :)
by PoisonIvie August 14, 2011
 
2.
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