Определение и Значение "pull the other one (, it has got bells on)"

What is the origin of the idiom "pull the other one" and when to use it?

The idiom "pull the other one" is a humorous and somewhat sarcastic expression used to express doubt or skepticism regarding something someone has said. The origin of this phrase is not precisely documented, but it is recognized as a playful and somewhat tongue-in-cheek way of challenging the credibility of a statement.