bold as brass

bold as brass idiom
Shameless, audacious, impudent. For example, No one had invited her to the wedding, but she showed up at the church, bold as brass. This alliterative simile plays on brass meaning “shamelessness.” [c. 1700]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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