Original sentence: Facesitting is a form of oral sex in which the receiver sitting on the giver's face and pushing into it with his or her genitals
Edited sentence: As in irrumatio, the person being sat upon plays a passive role and the one sitting plays an active one.Facesitting is a form of irrumation or teabagging or cunnilingus that involves the receiver sitting on the giver's face and pushing into it with his or her genitals