A black person with who is either A) invoker of epic lulz or B) flat out awesome. You could say individuals who are called coal train "Bring the coal...baby"
Sean: Dude Chris is so cool, he was talking about how he fingered two girls last night Kareem: He's a regular Coal Train!
when a man gets a peekera shit peeking out of the asshole then goes and sun dries the dingle berry until hardened then inserts shit into a womans vagina withe the dried feces still in the asshole