sb. [Imitative.] The sound made by drawing a cork from a bottle, or any similar sound. So Cloop v. intr., to make this sound.

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1848.  Thackeray, Bk. Snobs, xxiv. I heard a sort of cloop, by which well-known sound I was aware that somebody was opening a bottle of wine. Ibid. (1854), Newcomes, I. 120. He can imitate any … cloop of a cork wrenched from a bottle and guggling of wine into the decanter.

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1872.  Miss Braddon, To Bitter End, xxxvii. 291. The clatter of her pattens, the cloop of her pails. Ibid., v. 39. A basket, from which there came … a cool clooping noise, suggestive of refreshing drinks.

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