Comparative form of 'ducky'; more ducky, meaning more resembling a duck, more duck-like, or more satisfactory.
From 'ducky' (meaning pleasant or satisfactory, from 'duck' as a term of endearment) plus the comparative suffix '-er.' British slang 'ducky' evolved in the 1800s as a friendly diminutive.
In British slang, saying something is 'ducky' or 'duckier' became a way to express satisfaction without being overly enthusiastic—it's that perfectly British understatement where 'ducky' means 'quite good, really.'
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