[Imitative, or modification of TWEEDLE v. after prec.] intr. To twitter or warble; to play triflingly on an instrument; to talk in a trifling or inept manner.

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1863.  J. R. Wise, New Forest, App. I. 287/2. The robins are twiddling,… which fact is said to be a sign of rain.

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1873.  C. Keene, Lett., in G. S. Layard, Life, vii. (1892), 150. You have the great advantage of having already twiddled on the flute.

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1893.  Nat. Observer, 4 March, 386/2. The mob that twiddles of Ibsen will to-morrow shout of the morals of sculpture.

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