ker-, semantically empty prefatory syllable (borrowed from Scots cer-) + flooey
Note: On Scots ker- see note at kerfuffle.
1918, in the meaning defined above
“Kerflooey.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kerflooey. Accessed 16 Mar. 2026.
Thesaurus: All synonyms and antonyms for kerflooey
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