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1.
noun;
A person whos Black and Italian and will act somewhat stereotypical of both races.

A person whos of African American and Italian decent.
combonation of the words Nigga,for black,and Guido,for italian.
Nick:Yo bro imma go get some chicken pizza and koolaid,you want some?

Bob:Wow man,your such a nigguido.

Ex;a Black Mario
by The Original Italian/Blackguy February 14, 2011