Related Clues:

• '___-Tac-Dough' (game show)
• Game's first X or O
• Brief moment for twitch
• Involuntary response having half-read cable
• The first 'X' of X-X-X
• *Strategic maneuver
• Verbal ___
• Recurring habit
• Partner of tac and toe
• Tac and Toe's buddy
• Tiny involuntary convulsion, primarily
• The odd twitch or peculiarity
• Signature move
• Recurring facial twitch
• Third of a game?