Do you watch this porn?
https://noodlemagazine.com/watch/-191127854_456240202 Couples - sex together. The third one is going to fuck.
Speculum - pouring various fluids into the pussy.
Kaviar is literal shit-eating. A subspecies of coprophagia. Whoop fucking fucking!
Aquaphilia - fucking underwater. A rare genre, as filming is in mortal danger. Often, actresses choke on a faulty scuba gear or forget to breathe air through a tube during orgasm.
Fisting is when a fist is shoved into a pussy. Sometimes in the ass.