The British Idiom – Shaggy dog story
Definition of Shaggy dog story
A shaggy dog story is a story that is extremely long, has a silly ending, and is not funny at all.
Examples of Usage of Shaggy dog story
He never gets invited to any parties because he’s always telling these shaggy dog stories that nobody except himself finds remotely funny. If he starts telling you a shaggy dog story, make your excuses and get out of the room as quickly as possible or you will regret it.
Now watch my YouTube video English lesson which contains this British English idiom.