a fish tale

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a fish tale

A big lie. The phrase alludes to the tendency of fishermen to exaggerate the size of the fish they've caught or lost out on. I'm sure Grandpa is just telling you a fish tale—there's no way all of that's true! Like you really used to hang out with Madonna before she was famous! Talk about a fish tale. It's no fish tale—my great-uncle really did invent the modern television!
See also: fish, tale
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

fish tale

verb
See also: fish, tale
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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