Definitions by Dome Froggie

Loose Cannon 

A penis that has a premature ejaculation problem;
Having no safety on his gun

Lucas has a loose cannon. He was hooking up with this one chick and he blew his load in his pants.

Loose Cannon by Dome Froggie January 8, 2008

Loose Cannon 

A premature ejaculator; No safety on his gun.

Since he had a loose cannon, he blew his load in his pants.

Loose Cannon by Dome Froggie January 6, 2008