The most resembling cheese; also means the most embarrassingly tacky, fake, or of poor taste (informal).
Superlative form of 'cheesy'. The modern informal sense developed mid-20th century in entertainment criticism, referring to over-the-top, corny performances or entertainment.
The fact that 'cheesy' became slang for 'tacky' shows how words migrate from their original meanings based on unexpected associations—once one movie critic called something 'cheesy,' the metaphor stuck and spread.
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