rattle (one's) saber(redirected from rattle their sabre)
rattle (one's) saber
To make aggressive, blustering, typically empty threats. I'd like to think that his threats are just him rattling his saber, but I'm not too sure anymore. The boss just likes to rattle her saber every now and then to make herself feel powerful.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
rattle one's saberand rattle its saber
Fig. to make threatening statements or actions. The president is just rattling his saber. He would never attack such a small country!
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.