The act of having an orgy ninga turtle style involving 4 partners. A male and female engage in missionary intercourse standing up, while two other males enter them from behind, creating the turtle shells.
Cassie was over at the boys last night, I heard they tried the raging turtle.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi