My ex partner would sometimes slap my face during sex. We had a very varied sex life sometimes we would have rough sex with hair pulling, choking and restraint which is when the face slapping was introduced. I didn't mind, he never hurt me, other times we would make love and it would be very soft and slow and sensual so it was all balanced out. We had talked prior about rough sex and my fantasy around forced sex etc so it was all consensual and we knew each others boundaries.
We split up and I decided to hook up with a guy I previously had a ONS with. well he slapped my face. several times, out of the blue with no prior discussion! I didn't complain because I like rough sex and it was quite rough, I love being choked which he also did so it did seem a natural part of proceedings and it is a turn on to me, obviously not hard enough to really hurt.
But is this a thing now? Something that is such a normal part of sex that you would do it with a casual partner on the second time you saw them with no prior warning or discussion about how rough you do or don't like it? I have had a lot of partners in my life and until these two most recent ones I have never been slapped before!