Possible Clues:

• Make nervous restless movements
• Show unease, maybe
• Drum your fingers on the table, e.g.
• Twitcher is strangely gifted
• Betray boredom, impatience
• Betray nervousness
• Unusually gifted person showing restlessness
• Make nervous movements of the hands
• Not be still a gift, Ed
• Without a head, I would get to be on the move