Villainess

A woman who commits overwhelmingly horrible acts.

Girl: GOSH, Jennifer is such a villain!
Nerd: Um, actually she is a villainESS.

Thirsty

A word for a girl who desperately wants to date somebody, or have sex.

Girl 1: Oh my god…Chad is so hot…
Girl 2: Seriously Girl 1? You’re so thirsty.
Girl 1: What? He’s just so dreamy…
Girl 2: Ugh.