Posted by Bruce Kahl on April 27, 2001
In Reply to: Loose Cannon posted by kate on April 27, 2001
: I know the (current) meaning. Where did this phrase originate?
I would think nautical.
Picture an unsecured 200 lb lump of steel on wheels sliding around on the deck of a ship bouncing here, there and everywhere creating a mess and being so unpredictable as to its next position!
That is a loose cannon!