Related Clues:

• Bookworm
• Sign of nervousness
• Computer ___
• Egghead
• Disappointing date, maybe
• Part of X-X-X
• Uncool sort
• Brainy, socially inept sort
• Social misfit
• Dork
• Part of OOO
• Hardly a hipster
• Facial movement
• Uncool one
• One who's socially clueless