Fit as a fiddle
English Idiom
Meaning: Someone who is in excellent physical condition and health. They are full of energy and vitality, ready to take on any challenge.
Origin: The phrase 'fit as a fiddle' dates back to the early 17th century. The word 'fit' in this context means 'suitable' or 'appropriate,' and 'fiddle' refers to a musical instrument. Back then, a well-maintained fiddle was considered to be in perfect condition, hence the comparison to someone in excellent health.
