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Related to rattle sabers: sabre rattling
To make aggressive, blustering, and typically empty threats. I'd like to think that the country's threats of nuclear extermination are just them rattling sabers, but I'm not too sure anymore. The boss just likes to rattle sabers every now and then to make herself feel powerful.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
rattle sabresthreaten to take aggressive action.
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