| an exaggerated or incredible story: It was just another one of his fish stories. |

| fish story n. Informal An implausible, boastful story. [From the fact that fishermen traditionally exaggerate the size of their catch.] |
fish story
An improbable, boastful tale, as in He came up with some fish story about his winnings at the track. This expression alludes to the tendency of fishermen to exaggerate the size of their catch. [Early 1800s]