Authors:

The difference being that a nerd would wear a D&D shirt because he loves D&D while a hipster would wear a D&D shirt because it's ridiculous that he is wearing a D&D shirt.

"Chris Hardwick: Lord of the Nerds". Interview with Peter Heyneman, brightestyoungthings.com. June 17, 2011.
The difference being that a nerd would wear a D&D shirt because he loves D&D while a hipster would wear a D&D shirt because it's ridiculous that he is wearing a D&D shirt.