Speak indiscreetly; also, brag or boast. For example, Now don't go shooting off your mouth about it; it's supposed to be a surprise, or Terry is always shooting off his mouth about how many languages he speaks. [Slang; mid-1800s]
shoot off one's mouth
| Idioms: shoot off one's mouth |
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 | shoot (Idiom) |
| shoot from the hip (Idiom) |
| mouth (Idiom) |
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 | Idioms. The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Company. All rights reserved. Read more |
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