Definition & Meaning of "fiddlesticks"in English

What is the origin of the exclamation "fiddlesticks" and how is it used?

First recorded in 17th-century England, fiddlesticks became a playful exclamation of disbelief or annoyance in American English through literature and stage use. Functioning as a euphemism for stronger oaths, it carries a humorous, theatrical quality and is best employed in lighthearted contexts to indicate incredulity, mild frustration, or mock disapproval.