A dirty jemima is a girl that goes to a single sex school in England and secretly fantasises about making out with all of her classmates down in the woods.
Girl 1: “Hey, do you know what the new girl is like?”
Girl 2: “I heard she’s a real dirty jemima.
A girl who butt warms everything, and likes to impregnate her dog by sticking chips up her butt. Dirty Jemma loves melting chocolate and rubbing it on her pants to make it look like she pooped.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi