Fishtails is a type of maneuver in which a vehicle skids and then SLUES around in a 180-degree turn. It is often used in stunt driving, drifting, and other forms of motorsport. The term 'fishtails' comes from the way the vehicle moves, resembling the tail of a fish. The crossword solutions for this term are SKIDS (5 letters) and SLUES (5 letters). Skids refer to the sideways motion of the vehicle, while SLUES refer to the 180-degree turn.