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2.
A negro from Australia
They got Niggaroo's down under.
by Derek January 31, 2004
 
1.
A common greeting in northern Sweden.
"What's up my niggaroo?" (in Swedish "Kalasbra niggaroo?")
by Spiken May 18, 2006
 
3.
A fucking Kangaroo that's black
Get that niggaroo off my lawn!!!
by Jamie King April 11, 2010