have grown whiskers(redirected from had grown whiskers)
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have grown whiskers
To be old, as of a story or joke. No one laughed at your story because it had grown whiskers by then.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
have (or have grown) whiskers (especially of a story) be very old. informal
Farlex Partner Idioms Dictionary © Farlex 2017