Portuguese Codfish Slam Dunk Chocolate Soup

A Portuguese Codfish Slam Dunk is an incredible, but elaborate act, that involves the consent of both male and female partners.
It begins with the male performing anal sex with the female, finishing inside of her ass, and then using his bare hands to expand her anus hole, proceeding to pour fresh seawater (simply water with salt added to it afterwards works), into it, making a flesh bowl of semen and salty water. The male then proceeds to fit an entire codfish inside of the female's anus, shoving it in as far as possible, and shitting all over the codfish, pulling it out, and feeding it to the female.

Luke: Hey guess what I did yesterday with my girl?
Mike: What'd you do, man?
Luke: I gave that bitch a Portuguese Codfish Slam Dunk Chocolate Soup!
Mike: Damn, I wish mine would let me try that with her!