Related Clues:

• Brief painful feeling
• Involuntary movement
• Involuntary contraction of muscles
• Sudden feeling of hunger or pain
• Painful emotion
• Sharp pain (or similar feeling)
• Twitch, e.g
• Do a pitcher's job
• Painful muscle contraction
• Hunger hint
• Charley horse, e.g
• Painful remorse for father getting worst result
• Web address behind Planck's constant project
• Utter angrily, as insults
• Throw the horsehide