Related Clues:

• iPad purchase
• Doodle Jump, for one
• Cramp or twitch
• Burst of activity
• iPad buy
• Convulsion or paroxysm
• Sudden involuntary contraction of a muscle
• Painful muscle contraction
• Hiccup's cause
• Hiccup, e.g
• Muscle twinge
• Words With Friends, e.g
• Writer's cramp, e.g
• Tic, for one
• Angry Birds, e.g