Wigger

A Wigger is an unaffectionate term for a white person who aspires to be black, by trying to personify every bad black stereotype without realising the irony that black people are not actually as stereotyped.

Harry; "Whatchu sayin' y' big bitch?"

Hagrid; "Yer' a Wigger Harry."

Harry; "Say wuuut?"

Hagrid; "A Wigger! And a thumpin big one too."