Traditional
Still common
Definition
Genuine, authentic, the real deal.
Example Sentence
"That's a ridgy-didge antique, not a knock-off."
Where "Ridgy-Didge" Comes From
"Ridgy-didge" is a rhyming bit of wordplay built around "ridge" (as in true and straight), though its exact roots are hazy.
It's been recorded in Australian slang dictionaries since at least the mid-20th century as a cheerful synonym for "dinkum."
How Aussies Actually Use It
It's used much like "dinkum" - to vouch for something being authentic rather than fake or exaggerated.
It has a playful, old-fashioned ring to it, so it often gets a laugh even when making a serious point.
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