psychopathe

/psi.kɔ.pat/
1.
nounmasculine/feminine

psychopath (person with psychopathy)

colloquial: a dangerously unstable or remorseless person; 'psycho'

T'as vu son regard ? C'est un vrai psychopathe, ce mec.

Did you see his look? That guy's a real psychopath.