Australian slang meaning excellent, outstanding, or first-rate; a term of approval and enthusiasm.
Origin uncertain; possibly derived from 'bonanza' or related to 'bonzer,' it emerged in Australian slang in the early 20th century as a positive descriptor.
Australian slang is full of exuberant descriptive words like bonser—Australians seem to have especially inventive ways of saying 'really good,' reflecting a laid-back culture.
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