C.S. Lewis defined perversion as preferring the lesser thing over the greater thing, for example, choosing empty physical relationships and excluding love. Generally, people are called perverts when they pursue sexual thrills that other folks think are nasty.
A person who thinks negatively like you know naughty things. Being perverted is like talking or thinking of a specific person in a naughty way. Most directly towards old men who stare at me and other poor young girls lol you know what their thinking.
1) a person with abnormal behaviors and thoughts 2) a person obsessed with sex 3) a sexist insult used by sexist women (it's technically supposed to mean the same as meaning 2, but it has become a simple sexist insult, similar to how the phrase "that's gay" is a deviation.)