A saying by white Americans meaning, A Female white American and a male African American have a baby. Also called a nigglet, lil nig or "that ain't mine".
White American : "Damn Roy, Thats a F-ing nigga baby"
The harshest, most severe insult you can hurl at someone on GroupMe. A comeback used when you have nothing more intelligent to say, can't think of a witty comeback in an argument, and a last resort for most but a first resort for certain badass Chemistry majors in the state of Arkansas.
Wes: Bro, you ran the same play you always run, scrambled around for 37 seconds in the backfield, launched it 67 yards downfield, made a diving one handed catch, and converted the 4th and 24. That's some bull shit and you know it.