Shit Shuriken

The act of weaving a penis into a pretzel shape then stretching said penis to the rectum via the gooch to coat it in faeces. Then as the penis unravels itself, the faeces is used as a projectile towards the others in the room. Often used in orgy situations.

Orgy Member 1: Oh my god, Dylan's gonna do the "shit shuriken".
Orgy Member 2: Brace yourselves!