#BBCtrending: Is it ever OK to use the n-word?
6 June 2014 Last updated at 16:11 BST
A YouTube video called "blatant racism" has been viewed almost seven million times since it was uploaded on Tuesday.
It shows an angry woman shouting the n-word at a black man in Cheektowaga in New York state, in the US.
It's prompted fierce debate on social media about use of the word. #BBCtrending takes a look at the video, and speaks to spoken word poet Dean Atta, whose most famous poem condemns its use by the black community.
Video journalist: Benjamin Zand