Smoke & Pepper, the largest dining destination at Alley on 25, showcases Asian-inspired barbecued specialties prepared over an open-fire barbecue grill. Dig into succulent BBQ grub such as Grilled Diver Scallops, Grilled Squid with Green Chili and Shiso Pesto, and more.
it means things will only get worse from this point on. I agree that it can be meant two ways...either it's going to get worse and go downhill or that you've made it over the hard part (the obstacle or hill) and it's going to be smooth and downhill  from here on.F you are an optimist then it is a good thing. If you are a pessimist then it is a bad thing. It most often is a double entendre, encompassing a hint of caution within the concept of coasting. Hard work will take you climbing up a hill, and once you reach the peak, gravity will slide you down the other side.
As for the word itself, it may derive from the Saxon word hoo meaning promontory or cliff or ridge or rise or hill. Jacob Piatt Dunn, a diligent scholar of the word, believes a Saxon beginning, and such a meaning survives in various place names in England.