Possible Clues:

• *Skid side to side
• Skid, as a car's rear end
• It finishes off a swimmer
• Swerve back and forth, as a car's rear end
• Break down going round this roundabout with swerving movement
• Slide on an icy road
• Merman's got one to swing the rear end
• Skid in a car
• A skid from side to side, and that's the end of one's skate
• Side-to-side skid