slang. [see SWANK v.] Ostentatious or pretentious behavior or talk; swagger; pretence.

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1854.  Miss Baker, Northampt. Gloss., Swank, an ostentatious air, an affectation of stateliness in the walk. ‘What a swank he cuts!’

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1891.  Hartland Gloss., Swank, s. and v., swagger.

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1905.  Daily Chron., 17 April, 6/2. What he said is quite true, barring the whisky—that is all swank.

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1909.  Westm. Gaz., 26 Jan., 4/1. ‘Swank,’ they realised, was the essential qualification for success in the new industry, believing that firms just awaking to its possibilities and the public would take them at their own valuation.

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