Noun
mean girl (plural mean girls)
(informal) A girl who tries to elevate her social status through bullying and cliquey behaviour, especially when occurring at a high school.
I want to play the mean girl one day - or the mean gay! Alex Newell
I just loved playing the mean girl. When you're not like a character, it's kind of fun to play. Ashley Tisdale
Everyone has the bully or the mean girl or the ex-boyfriend who tried to bring them down. Demi Lovato
Lindsay Lohan and top Mean Girl Rachel McAdams are both great. Source: Internet