A fork of Rural Dictionary
In reference to when 5 men are having sexual intercourse (a gay orgy) and each male jizzes on the other one, and rubs it in. Making one big, sticky, rubby jizzfest.
Dude: "Blimy Mate, I was having me an Angry Jellyfish last night, and David rubbed it in my john!"
Girl: "Oh snap! I want to join!"
Dude: "Nope, cock only"