The Urban Dictionary is a good reference of colloquial slang but it is also a melting pot of ignorance. The definitions 1-9 of the word "Maori" are incorrect. They are not definitions, they are racist views and should be labelled correctly. 
Click the link below to see the "definitions" 
http://www.urbandictionary.com/define.php?term=maori

Please sign our petition to help remove the "definitions."