Related Clues:

• Social outcast, maybe
• Involuntary muscular contraction
• High school bookworm, in stereotypes
• Game opener?
• Unhip type
• Scholastic stereotype
• First X
• Bully's prey, in stereotypes
• Uncontrolled contraction
• High school misfit
• Foible
• First of three in a pencil/paper game
• It could be represented by an "X"
• Overly bookish type, stereotypically
• Persistent personal quirk