Keywords: tale, yarn, story, chatterbox
As a Noun
A story that someone tells, often a true story with added details which they have invented to make it more interesting. English = tale, yarn, story.
A person who talks a lot. English = chatterbox.
As a Verb or Adjective
To tell a story; to tell a tale (often exaggerated or only partially true). Idiomatic English = spin a yarn.
Of a person, to talk a lot, especially by telling stories that are highly exaggerated or only partially true.