Referring to the disappearance of any black man through any means. Often associated with African American fathers who desert their children and/or wives.
Jamal: Mom, what happened to daddy?
Shaqueefa: That man done left us when he went to buy cigs. He's long niggone by now!
Sometimes known as "ebonics", or the "inner nigger in one's voice", nigtone is a term used to describe how your nigger is speaking when you can't understand him/her.
Nigger: Aww shit nigga, y'all know I don't roll dat way boi, I rock the same ol' same ol' and pray to J I don't be straight trippin, holla at ya boy.
Nick: ....What? Sorry, but can you get rid of the nigtone? I can't understand a word you're fucking saying.