a tall story

tall story

A story that is greatly exaggerated or particularly imaginative, such that it is difficult to believe; a tall tale. My uncle has always been fond of telling tall stories about his time overseas. I used to believe him when I was a kid, but now I've learned to just laugh along.
See also: story, tall
Farlex Dictionary of Idioms.

a ˌtall ˈstory

(especially British English) (American English usually a ˌtall ˈtale) a story which is very difficult to believe: What she says about her grandfather being a foreign prince sounds like a tall story to me. There were many tall tales told later about the events of that day.
See also: story, tall
Farlex Partner Idioms Dictionary
See also:
  • tall story
  • tall tale
  • a tall tale
  • be fond of (someone or something)
  • fond
  • fond of
  • fond of (someone or something)
  • tell (something) to (one)
  • tell to
  • all sweetness and light