Yes, I've been called a loose cannon. So? Is that supposed to be a detriment? Wasn't Jesus Christ a loose cannon? Some thought so. Wasn't Peter, the first pope?
It's a vacuous concept. Does it mean I'm a psycho? Hellion? Troublemaker? Unpredictable?
I don't think so at all. My friends don't either. Does it mean I'm always ready to jump in and help? Passionate? Give my all? Aggressive? Excuse me, but I think these are positive attributes.
You know what? Maybe the person who called me a "loose cannon" was projecting himself. Now there's a new definition of "loose cannon:" someone who spontaneously stamps a label on a person who challenges them!