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1.
A characteristic of not being a stereotyped urban black person. An urban black person with non-urban characteristics.
Cassandre is an African American from the inner city. Everyone says she is blackish because she likes country music.
by Urban Updater July 18, 2006
 
2.
an individual who is both black and british (or any other nationality ending in "ish")
Dude: My new neighbors are blackish.

Dude's friend: Dude, they're kind of black?

Dude: No, they're black AND (nationality)!

Dude's friend: Oh! No way, Dude!
by Mamma Tard June 13, 2010
 
3.
when someone acts steriotypically black. ussually someone who is not black.
guy1: wanna see if roy wants to come with us?

guy2: nah man. he been acting kind of blackish lately. he stole my ipod last time he came over.
by poopooinurface June 23, 2009
 
4.
an offspring of one British and one Black parent.
a person of mixed African American and British Ancestry.
My Mom is black and my Dad is British, so the slang term would be Blackish. other examples:half black and half Japanese would be considered Blackanese, or half American and Half Jamaican would be Jamerican. Half Mexican and Half Black would be Blaxican.
by OneLoveKelly January 20, 2006