Where "Plonk" Comes From
Believed to trace back to World War I soldiers' slang — a garbled version of the French "vin blanc" (white wine), which English-speaking troops mangled first into "vin blonc" and eventually "plonk." The Australian War Memorial's Sir John Monash Centre lists it among the era's documented slang, alongside good oil, furphy, and cobber.
The term crossed into everyday Australian English and stuck as a catch-all word for wine — especially the cheap, no-frills variety, in the same family as goon.
Source:
"Brought some plonk to the party."
How Aussies Actually Use It
Almost always signals cheap, unpretentious wine rather than anything fancy — "brought some plonk to the party" is a modest, budget-friendly offering, not a boast.
It's a fixture of casual gatherings, share houses, and backyard barbecues, often referring to cask wine or the cheapest bottle on the shelf.
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