clown nigger 

someone that acts immaturely or as though they have autism.

Stop preaching for women's rights your acting like a clown nigger.

clown nigger by The First Noel October 16, 2006

Nigger the clown 

A black man who grows pirate-like hair that resembles that of a clown.

Tyrone, why did you let your hair grow so long? Forget Bozo, you look like "nigger the clown." The Barnum and Nigger circus might kidnap you now.

Nigger the clown by Bob Savage February 15, 2008