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- noun Plural form of
Sorry, no etymologies found.
Fine electric activity in sound came from the dumbles below the road, the birds piping one against the other, and water mysteriously plashing, issuing from the lake.
Women in Love 1907
"And you're a midshipman, that's what you are, Master Syd, as thinks he's got the mumble-dumbles horrid bad, when it's fancy all the time."
Syd Belton The Boy who would not go to Sea George Manville Fenn 1870