Pyschopath
a crazy mofo. there are only a few of these in the world. When u come across one be careful. Names usually are Diana, emily and kayla. Those the type of people who will hit u then make u apologize for hitting u.
That girl over there is such a pyschopath
pyschopathical
A combination of the words pyschopath and pathological to emphasize how someone is both crazy and compulsive.
Rachel called Aidan a pyschopathical liar because of how mad she was at him.