A person/ thing that lacks humane social skills, and other traits that are necessities to be classified as a human being. Theater Nerds do not associate with others, they stay in packs, and very few others are allowed in those packs. They act very annoying in public, and people do not like to talk to them.
1. “Did you see that Theater Nerd today? It was running around the school shouting ‘I’m gay!’” “No, I try to avoid them.”
2. Charlemagne, the Theater Nerd, tried to talk to me today, I quickly ran away before they could say anything.