(n.) A person with a quiet but nervous demeanor, that instills fear into people. Based on the charactor from the movie psycho. See also bates motel
. Hello mother dear...
That guy creeps the shit out of me. I'm afraid to take a showerin case I get knifed to death and thrown in a river. Oh God he just looked at me again.
Where? What guy?
Norman bates in the red shirt, look at his eyes, they're evil.