Related Clues:

• One lacking social skills necessary for dinner date
• Boringly studious person
• Bookworm, scornfully
• In-group outcast
• Eggheady sort, in stereotypes
• Square one?
• Social greenhorn
• Filmdom's Napoleon Dynamite, for one
• With 77-Across, when combined into one word, national trivia championship, e.g
• Many a comic book collector
• Revenge getter of film
• One whose favorite website is Sporcle, say
• '___ alert!'
• "___ alert!"
• "The Big Bang Theory" type