Fit as a fiddle

Meaning

In very good health.

Usage

Compliment on physical condition.

Origin & History

Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.

Fiddles required tuning; being fit meant well-prepared.

Used since the 17th century.