Related Clues:

• First X?
• First X or O?
• Convulsion
• Part of three-in-a-row
• Wash. State's Sea-___ Airport
• Nervous habit
• Middle X or O?
• Sudden spasm
• 'Tic -- Dough'
• Certain X or O
• XXX part
• X-X-X part
• ___ Tacs (breath mints)
• Facial twitch
• Muscle movement