tall tale

tall tale idiom
A fanciful or greatly exaggerated story, as in Some youngsters love tall tales about creatures from outer space coming to earth. This idiom uses tall in the sense of “exaggerated.” [Mid-1800s]

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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