Anything, something.

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1855.

          When our recent Tutor is heard to speak,
  This truth one certainly gleans,
Whatever he knows of Euclid and Greek,
  In Latin he don’t know Beans.
Yale Lit. Mag., xx. 192 (March).    

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1856.  We never saw, and our metropolitan friends, (country-born, and ‘knowing beans,’ tomatoes, etc.) say they never saw, such a sight.—Knick. Mag., xlviii. 315 (Sept.).

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1857.  ‘Well, then,’ said the General, ‘I do n’t care beans for the rail-road, not a single old red-eyed bean, nor a string-bean.’—Id., xlix. 138 (Feb.).

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