loose cannon
idiom
A person who behaves unpredictably and can cause trouble
- 1The new employee is a loose cannon, always doing things his own way.
- 2Be careful with Jake; he's a loose cannon and might say something inappropriate.
A loose cannon is someone who acts in a way that is hard to predict and can create problems. They might do things without thinking about the consequences, which can lead to trouble for themselves and others.
Remember, a loose cannon is like a wild card in a deck of cards - you never know what they might do next! Stay cautious and be prepared for anything when dealing with someone who is a loose cannon.
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at a fuel stop
Unexpected Encounter
Nancy
Did you see how Tom just stormed in and started arguing with the cashier?
Margaret
Yeah, he's such a loose cannon. You never know what he'll do next.
Nancy
I hope he doesn't cause too much trouble here.
Margaret
Let's just keep our distance until he calms down.
in the barnyard
Unpredictable Behavior
Amanda
Did you see how Tom let the chickens out again?
Jessica
Yeah, he's such a loose cannon sometimes.
Amanda
I know, we never know what he'll do next.
Jessica
Let's hope he doesn't decide to mess with the tractor.
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Similar to "loose cannon":
- 1unpredictable person
- 2wild card