NEMS is back and bringing all of Coney Island with him on “Nathan’s.” Mr. Bing Bong is back with a new banger. “Nathan’s” is the latest song from Gorilla NEMS, the self-proclaimed King of Coney Island. And is rocks. Produced by Grammy winner Drumma Boy, “Nathan’s” gives a different vibe for the Brooklyn spitter. Visually, we get a mega-dose of …