Simply utter the word "perv" and you will get snickers and perhaps nudges- describe someone as a pervert and you smear their name painting him and or her as a monster who derives enormous sexual satisfaction from harming children.
In Perv: The Sexual Deviant in All of Us, Jesse Bering reclaims the word and delves into the subject - inviting readers to unpack the morality and sexual deviance. He argues that as a society we must stop asking what is normal and natural, and instead ask what is harmful.