nerdsack

A large gathering or group of nerds, or geeky individuals, who usually group up at a private gaming convention or elite chess club.

Nerd - Hi! Did you go to the chess and mario convention last weekend? *sniffle*

Cool Guy - Why would I wanna go to that total nerdsack

Nerd - Whatever. But do you wanna come to my 24hr Zelda gaming day this saturday? *sniffle*

Cool Guy - Stfu and get a tissue (walks away)