Fiddle idly is a phrase that refers to someone who is not doing anything productive or useful. It is often used to describe someone who is wasting time or being lazy. The term fiddle idly can also be used to describe someone who is playing an instrument, such as a violin, without any real purpose or direction. The crossword solution for the term fiddle idly is TOY, which is a reference to the fact that playing an instrument can be seen as a form of play or entertainment.