To plead or pretend poverty. Sc.

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1822.  It’s no right o’ you to be aye making a puir mouth.Blackwood’s Mag., xii. p. 307/1 (Sept.). (N.E.D.)

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1859.  He lives about six miles from here, an’ makes a mighty poor mouth about me an’ my old woman holdin’ a square mile, when he can’t git but half that for him an’ seven children, bekase his wife’s dead.—Mrs. Duniway, ‘Captain Gray’s Company,’ p. 174 (Portland, Oregon).

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1885.  You wanted to come here and make a poor mouth to Mrs. Lapham before I got home.—W. D. Howells, ‘The Rise of Silas Lapham,’ ch. xxv. (N.E.D.)

4