a fiddle - A fiddle is a silly name for a violin, like when someone doe

A fiddle is a silly name for a violin, like when someone doesn’t know what it is and just says whatever.

He called it a fiddle. I called it a violin. We both knew it was just a stupid name.

That’s a violin. Not a fiddle. You’re a redneck.

She said it was a fiddle. I said it was a violin. I won.