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Slang for the Australian one dollar coin. Derived from the slang for the Canadian one dollar coin, a loonie. The Australian coin features kangaroos where as the Canadian coin features loons, hence 'loonie'.
Q: How much does that cost?
A: One roonie.
by helen forsdale January 21, 2010
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2
When one is addicted to playing Runescape and plays the game for at least 12 hours a day they start referring to the game as 'Roonie'.
Ayy up lad wanna play some Roonie?
by Sparkeslmao April 21, 2017
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