Related Clues:

• ___-tac-toe
• Bookish one
• Inept individual
• First O?
• Uncool fellow
• Anorak
• Hardly a BMOC
• Quirky behavior
• Stereotypical science student
• The first O of O-O-O
• One might be verbal
• Geeky guy
• One who’s unhip
• Involuntary contraction
• Computer geek, e.g.