bull-f**king, bull-nig, bull shit, shut the nig up, I don't nig know, what the nig. Although this may seem like a bunch of words jumbled up, it has some meaning behind it. Each individual phrase can be used separately. Widely known and used by angry racists or gamers on Call of Duty.
Dan : (playing call of duty just got shot) bfbnbsstnuidnkwtn!!!!!