The act of having your female sexual partner squat over your penis as she ejaculates, and then the male partner 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 high FPS and fire rate, especially semen. This tool is often used to overload a vagina and flood the cavity.
John: "Fuck. I pulled the trigger onmy 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.