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Define Loose Cannon Meaning

Loose Cannon
In the days of sail, naval vessels mounted cannon carefully and purposefully rigged into positions which optimised the effect of their fire. Occasionally, the rigging of these very heavy guns might come loose, and with the vessel pitching about on high seas or during manuever in battle, the results for the ship and crew could prove catastrophic. The term has come to describe a person lacking prudence or insight, whose actions and/or speech jeopardises the safety of people in their proximity or under their authority.

Like a drunken bully, the politician shrugged off his advisors and taunted the insurgent forces operating in the country his armies were attempting to pacify. He had become a LOOSE CANNON.
By Carlita
Loose Cannon
an individual who has little to no self control, does not think logically,whose grasp on reality is feeble. a seemingly misunderstood person who is in fact a walking disaster waiting to happen.

one loose cannon spoils the bunch.
By Moyra
Loose Cannon
A wild one. Someone who does not conform to the rest of society. A maverick. A guy who plays by his own rules and to hell with the consequences. Shows you what he can do.

JC - Ladies, let me show you what I can do.

Ladies - Wow. That John Clegg is one loose cannon.
By Cybill
Loose Cannon
a very irresponsible person who is likely to cause destruction

How did such a loose cannon get into a position of authority?
By Stormy
Loose Cannon
A term of jealous criticism applied to individuals of rare flexibility and creativity, by mobs of petty-minded group-thinking procedure slaves.

They called me a loose cannon until one of my crazy ideas saved them half a million bucks. After that I insisted on being called a 360 degree swivel-mounted artillery unit.
By Rosabel
Loose Cannon
a) (offensive) an irrational/non pragmatic/behaviorally unpredictable person who is neither under the influence of any drugs/alcohol nor has ADD/ADHD
b ) (sarcastic) a person who does rational and somewhat pragmatic things first without, however, having thought them through properly and then asks intelligent questions regarding his previous pragmatic actions
c) an offensive term for children with, or perceived to have, ADD/ADHD, regardless of whether or not this is truly the case

boy a) my girlfriend is such a loose cannon, and makes the most irrational, non-pragmatic decisions, is there anything I can do?

boy b) are you lol, your girlfriend's social worker or psychiatrist? It may be that she is just a loose cannon according to you, IYHO only and normal to everyone else. and lol, is it possible that you are a loose cannon according to her?

boy a) Dunno and idc if i am a loose cannon according to her. IMHO she needs a few doses of methylphenidate
By Twyla
Loose Cannon
1) Something the police chief calls two cultually different partnerd cops, when he is angy with them and when the police chief has "the mayor on his ass"

2) In an erotic gay movie about police: The thing that the police chief looks forwad too when "has the mayor on his ass"

1) "You two are loose cannons, but your damn good cops!"

2) "I like the two on your loose cannon, let's play good cop, bad cop!"
By Marcia
Loose Cannon
A slut or otherwise trashy girl

Bud 1: Did you hook up with Margo last night?
Bud 2: Easily, that girl is a fuckin' loose cannon.
By Mirella
Loose Cannon
Someone who gets stuck into the coke on a regular basis and loves to party.

Max the axe is a loose cannon. That cunt needs to be put on a leash!!
By Meris
Loose Cannon
An open fly with your junk hanging out unpurposely.

Mike - Dude, check out the loose cannon!
Stu - Aww man, not again...
By Pauly