1.) Of or pertaining to a person(s) Anus, Rectum, Rear-end, Butthole; particularly of one whom likes to be fisted.
2.) An Internal Body Part/Place Where One Might Use To Stash Illegal Contraband.
3.) May Also Be Known As A Man Vault, Backdoor, Butt Safe or The Vault; To Name A Few.
When pertaining to areas on the human body where one might try to conceal illegal items, mainly drugs, it may be necssary to stash it inside the anus- or jokingly the fist mitten (especially if the person is male & gay.)
To Be Used In A Humorous Nature, Not Offensive.