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A very large, powerful, nostril-inflamed, typically angry negro man. Michael Clark Duncan, Ving Rhames etc...
Did you see The longest yard? there were bullniggers all over that prison!
by Devanteya August 10, 2006
Like bullfuck, only more than 9000 times worse.
I'm getting camped. That is a load of bullnigger.
by Skyshatter February 11, 2011