Related Clues:

• Sign of stress
• This may be hard to date
• Overly brainy sort
• Dilbert, e.g.
• Internet addict, perhaps
• Game opener
• Person who gets picked on
• Unlikely candidate for prom king
• The first X?
• Mr. Uncool
• Socially challenged person
• Unlikely class president
• Spasm
• Idiosyncrasy
• Propeller-head