We found one dictionary that defines the word be as fit as a fiddle:

Miscellaneous (1 matching dictionary)

1. be as fit as a fiddle: Idioms

▸ Words similar to be as fit as a fiddle ▸ Usage examples for be as fit as a fiddle ▸ Idioms related to be as fit as a fiddle ▸ Wikipedia articles (New!) ▸ Words that often appear near be as fit as a fiddle ▸ Rhymes of be as fit as a fiddle ▸ Invented words related to be as fit as a fiddle