Using 'swank' often implies a negative view of someone's showy behavior, suggesting it's unnecessary or excessive. His swank at the party seemed a bit over the top.
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Cultural Usage
'Swank' can indicate sophistication in certain contexts, but might sound old-fashioned or out of touch in others. The old movie showed a swank lifestyle that's rarely seen today.
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Often Negative
The term 'swank' can be used sarcastically to critique someone's attempt to impress others. She dismissed his new watch as just another piece of swank.