A person who is very jealous of others. Likes to be the center of attention at all times, and if not, throws temper tantrums and leaves the scene. Likes to pretend to be a caring individual, so watch out, you may not see through the desquise of a Jamie.
Sarah: Did you go to Sams party last night?
Jane: No, why?
Sarah: You should have seen how this girl acted, Sam was so busy trying to entertain his guest and because he didn't give her ALL of his attention she stormed out of the room and then left! She is such a Jamie!