A large group of nerds of either one or multiple kinds, who are mutually friends. Like any gang, except that all members know calculus, have an opinion on the economy, philosophy, and will try to convert you to their OS/Browser/Console. And are less likely to be able to take you in a fight.
Sometimes acting as a guild with a monopoly on intellect, and other times as an average bunch of friends.
Any computer process that requires more than casual understanding of technology. Especially pertaining to an expert trying but failing to explain a complicated process in layman's terms, like port forwarding in a home network.
A nerd baby is a person who is annoying and so full of themselves that they act like a nerd due to them thinking they are smarter than everyone else and too much of baby to except they're not making them annoying.
Joe: WowJohnny is really annoying and he's so full of himself he's such a nerd baby!