Please clarify what are you saying and what is it about
Answer: To show that it is a metaphor and not literal
Explanation:
''Talk the hind legs of a donkey'' is having a meaning ''making a donkey sit down on its rear end'' which is not something that donkeys do naturally. It is used when we are describing a person who is talking to much. This phrase has its origins in Ireland.
In this case, the author is considering that person can talk much about her tales.
If you could insert a picture that has the full question, you could get a more reliable answer.
Greys anatomy season 13 epsiode 20
Explanation:
Basically 2 doctors who are stuck on a plane that has turbulence and are running back and forth to other passengers who got hurt.