1. An exclamation, like "hooray!" or "yippy!".
2. A word often substituting for another esp. a curse word.
3. Marijuana or any other drug.
1. Roopty roo! I won the lottery!
2. I'd love to roopty roo her.
3. You know where I can get some roopty roo?
by Fred Jr. October 17, 2007
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