A person which is ready to poop.
Johnny was driving down the street after lunch and realized that he was a poop cannon ready to fire.
by anteater97 October 2, 2008
Get the poop cannon mug.
The rectum.
My poop cannon is loaded and ready to fire. Where is the nearest bathroom?
by sleipnir13 November 16, 2012
Get the poop cannon mug.