flat as a flounder
Preserved but no longer current.
Meaning · English
I knocked him down flat as a flounder. A flounder is one of the flat- fish.
Era: ca. 1898 (Victorian)
Sources & notes
Reproduced from Brewer’s Dictionary of Phrase and Fable (1898 edition, public domain; archive.org, retrieved 2026-07-31; OCR text, minor errors possible). Reflects the scholarship and attitudes of its era.
Common questions
What does “flat as a flounder” mean?
I knocked him down flat as a flounder. A flounder is one of the flat- fish.
Is “flat as a flounder” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.