This trope describes a person who loves to flirt with others and playfully generate sexually interest, often from the main character. Maybe they'll try Erotic Eating a chocolate-dipped strawberry. Maybe they'll sidle sensually or walk with an extra sway in their step, accentuating her elegant legs near their target. Maybe she'll go all the way and outright hint at an offer of sex. Almost always, the teased person will act in various comical ways. As you can imagine, this trope is often used.