What is Shotgun Anus?
1.
When a male is in the middle of a threeway and double penetration is involved he may call "shotgun anus", giving him the right to stuff the girl's pooper with his fat choad. The first person to call "shotgun anus" has dibs on the chick's crap factory. See
Shall we double take that chick? Oh sweet......SHOTGUN ANUS!!