"Wow, that Jordan guy is cool!"
"His girlfriend Olivia will KILL you if you ever say that again."
Mia is a pejorative slang word for a person, usually a woman. When applied to a woman or girl, it means someone who is belligerent, unreasonable, malicious, controlling, aggressive, or dominant.
"Shes like Mia"
"STAY AWAY!!!!!!"