Jackspeak of the Royal Canadian Navy

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Loose Cannon

An irresponsible and reckless individual whose behavior (either intended or unintended) endangers the group he/she belongs to. A loose cannon, weighing thousands of pounds, would crush anything and anyone in its path, and possibly even break a hole in the hull, thus endangering the entire ship.

Added: 2014-11-01 Last modified: 2014-11-01

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