fit as a flea

idiom

informal, British
: in good physical condition : very healthy and strong
I feel (as) fit as a flea this morning.

Browse Nearby Words

fit as a fiddle
fit as a flea
fitch
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Cite this Entry

“Fit as a flea.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fit%20as%20a%20flea. Accessed 4 Nov. 2025.

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