The term 'Goes Downhill Fast' can be described by the crossword solutions of SCHUSSES (8 letters), skis (4 letters), avalanches (10 letters), sleds (5 letters), and luge (5 letters). Schussing is a type of skiing where the skier moves quickly down a slope without turning. Skiing is a popular winter sport where a person uses skis to move over snow. Avalanches are large masses of snow, ice, and rocks that slide down mountainsides. Sleds are vehicles used for sliding down hills, usually made of plastic or wood. Lastly, luge is a winter sport where a person lies on their back on a small sled and slides down an icy track. All of these activities involve going downhill fast and can be dangerous if not done properly.