Unpure is the act of a person performing many counts of sexually activity, ingestion or consumption of any alcohol beverages into the body, and/or has done/consumed any illegal drugs/substances before. Unpure can also have the affect of being a whore/man whore, or slut.
Person 1: Hey, guess what I did over the weekend?!
Person 2: Went to the movies?
Person 1: Nope, I went to a party, got drunk, and had sex.
Person 2: Your so unpure now!