Normally pertaining to the female sex, an adjective that defines a person's sexuality, usually in a risque or porn-type way. Women who wear very short skirts with high heels and flaunt that they are doing so normally are defined as such. It is not always used as a derogatory word. Similar words are slut, ho, superfreak, whore, tramp.

a word used to describe something on par with excellent pornographic material

Good. Like porn is good. But porn isn't merely good. It's something far better than "good," and that's why when you use this word people will know what you mean.