Fiddlestick

"I responded with a polite fiddlestick when he suggested we take his idea to the boss."

"The error in his speech was just a fiddlestick, he continued on with the presentation."

"The new employee seems to use 'um' and 'fiddlestick' a lot during their speeches."

"He considered the typo in the email to be a fiddlestick and didn't bother to correct it."

"The politician brushed off the reporter's question as a fiddlestick."