Meaning

1 senses
  1. (humorous)Thanks very much.

    1929 "Franklin W. Dixon" (Penguin, →ISBN) Hardy Boys 7: The Secret of the Caves, Chapter 16, p.89: "Well, anyhow, thanks a lot, Mr. Dumont," he added. "Mercy buckets, as you French say."

    2008 Jonathan Nasaw (Simon and Schuster, →ISBN) Fear Itself p.187: "Mercy buckets—a pleasure doing business with you, dude."

Origin

A jocular malapropism (or phono-semantic matching) of French merci beaucoup (“thanks a lot

A jocular malapropism (or phono-semantic matching) of French merci beaucoup (“thanks a lot”); influenced by buckets of (“lots of”).

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