fiddlestick (n.)youdaoicibaDictYouDict[fiddlestick 词源字典]
15c., originally "the bow of a fiddle," from fiddle (n.) and stick (n.). Meaning "nonsense" (usually fiddlesticks) is from 1620s. As an exclamation, c. 1600.[fiddlestick etymology, fiddlestick origin, 英语词源]