Related Clues:

• Unintended movement
• Muscle attack
• Sudden spell of activity
• Fish with a prehensile tail
• It doesn't whinny, it hurts
• Hiccup, for instance
• Brief flash
• Real jerk
• Muscle trouble
• Muscle cramp, e.g.
• Muscle jerk
• A real jerk
• Involuntary jerk
• Tic or twinge
• Tic, e.g.