The act of having your female sexual partner squat over your penis as she ejaculates, and then the malepartner ejaculating upward shooting both ejaculates in and around the female's vagina.
A swiss army knife for the cock. A modified penis that shoots semen at a rapid pace, and using an ammo bag rather than testicles. It can shoot nearly any substance at a highFPS and fire rate, especially semen. This tool is often used to overload a vagina and flood the cavity.
John: "Fuck. I pulled the trigger on my cock cannon. Three orphans just died."
Karen: "I wish I had a cock cannon."
Term used in the military for anyone that fires or mans any type of gun. This can be used for a tank gunner, artillery man, door gunner, deck gunner, etc.