Related Clues:

• Little jerk
• Peculiarity
• Involuntary muscular contraction
• Middle of a game?
• Washington State's Sea-___ Airport
• Game opener?
• First X
• Uncontrolled contraction
• Middle of a three-word game
• Center X
• Foible
• First of three in a pencil/paper game
• It could be represented by an "X"
• One X
• Tic-toe tie