Usually RIGHT SMART. A large quantity of anything. Southern.

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1842.  I asked here, whether the people made much maple-sugar in this neighbourhood [Virginia]; when … a planter … answered, “Yes, they do, I reckon, right smart,” meaning in great quantities.—J. S. Buckingham, ‘Slave States,’ ii. 327.

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1846.  Thar hain’t been much rain lately, but thar’s a right smart of snow, and it’s about half melted now. That makes wheelin heavy.—Farnham, ‘Travels in Prairie Land,’ p. 361.

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1856.  I sold right smart of eggs dis yere summer.—H. B. Stowe, ‘Dred,’ ch. 39.

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1890.  He confirmed my fears by telling me the water had “been on the rise right smart of time already.”—Mrs. Custer, ‘Following the Guidon,’ p. 292 (N.Y.).

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