Zombies in western civ

Im the 19 year old stripper who looooveess zombie video games and today my professor was talking about how discrimination would only end with a world wide disaster and she was said such as and i just blurted out zombie apocolypse without thinking...no one in my class knew what i was referring too and just stared at me. then the teacher was like ummmm more like a nuclear disaster.....gawd i DO NOT want to go back to that class!!