1. tunnel used to extricate food wastes, one direction - out.
2. same tunnel as above only used in other direction by cock, finger, or fist on special occassions. Primarily used during consenting anal sex
- but consent is not required.
1. Fran: "Hey Larry, you can clean the toliet before the guests get here, your poopshoot all over the bowl, you filthy fuckhead."
2. Bill: "I was surprised your wife took it up the poopshoot."
Larry: "Why's that?"
Bill: "Because she seems like such a bitch