Where "Bung" Comes From
In Australian English, "bung" means broken, out of order, or ruined — as in "my knee's gone bung" or "the engine's bung." The word comes from the Yagara (or Jagara) language, spoken by Aboriginal peoples around what is now Brisbane in south-east Queensland, where a related word meant "dead." European settlers adopted it from roughly the 1840s, initially in the specific sense of dead or dying, and it extended quickly to anything malfunctioning, broken, or failed.
"Bung" is an example of a small but meaningful category: Aboriginal loanwords that crossed into general Australian English not to name a native plant or animal — the most common route — but to describe an abstract quality. It sits alongside the entirely unrelated "bung" meaning a cork or stopper (from Middle Dutch), creating a pair of homophones with separate etymologies. The Aboriginal-origin "bung" is distinctly Australian, a quiet mark of how the languages of the First Nations shaped everyday vocabulary.
"The washing machine's bung again."
How Aussies Actually Use It
"Bung" describes anything broken or out of action — a bung knee, a bung fridge, a bung deal.
"Go bung" specifically means to fail or collapse, historically used for businesses going bankrupt, and still heard in that sense today.
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