Undernet 

One of the largest IRC networks still in existence with a laid back administration that provides minimal services but doesn't overwhelm the users with hundreds of *Serv bots. The primary service is X, the channel bot, who provides many options for managers and ops alike.

Undernet is very involved with its users, and holds frequent classes and interesting discussions or interviews in the #class channel. Channels are very hard to register, and therefore if a channel is registered, then it is garunteed to be lively. It has frequent netsplits, but not quite to the caliber of EFnet and DALnet, making it a much more solid network. In general, the help channels on Undernet are often nicer and more humble than EFnet, but still don't be surprised if you get banned for an arbitrary reason. There's always room for improvement.

<Varter> Hey, wanna chat on IRC instead?
<Mancow> Sure, I'll meet you in #tech on Undernet.
<Varter> Nice.

Undernet by Varter August 27, 2004

UNDERNET 

A person to person network being setup to have insurance aganst the internet being shut down.

I just sent a copy of some of the urban dictionary into the undernet

UNDERNET by Jerryu June 10, 2010

Undernet 

The shady underground world of the Internet where most seriously illegal activities are conducted. The Undernet is the "underground of the Internet".

Phishers steal identification data from unsuspecting people and then sell that data on the Undernet, which among other things contains this huge black market operating under the Internet where all kinds of ill-gotten data are bought and sold. The seeds for identity theft are sown on the Undernet.

Undernet by Internet Veteran September 29, 2012

Undernet 

n,
The vast, insidious and unstable domain of the Internet home to the worst depravities and ideals of mankind. Hidden behind the vail of the "Polite Internet," the Undernet is host to the worst and most scarring images ever available to humanity, as well as opinions and ideas from individuals that minds have been cracked and malformed by visits to the Undernet. Self propagating, the Undernet is the fastest growing part of the Internet, and despite the best efforts of the government, grows unchecked. The best way to describe the Undernet is as "online urban blight" or "cyber-pestilence."

Mark: "Hey, check out this website"
Tom: "Okay...holy god in heaven why?"
Mark: "What, it is just German's peeing on babies while driving spikes through their penises?"
Tom: "Mark...you need a break from the Undernet"

Undernet by Jay Krank July 29, 2004

Undernet 

The unsanitised area of the internet largely unexplored by normies but still accessible via a regular web browser.

The undernet has all sorts of strange, non-sensical things on it.

Undernet by (void*) August 27, 2018

undernerd

an individual whose technical (usu. computer-based) competencies are notably less advanced than those of his or her peers; a nerd wannabe

The project manager thinks I'm an experienced computer programmer but I'm really just an undernerd learning everything on-the-fly.

undernerd by Scott Fairbairn July 29, 2008

Unternet 

Real life.

John logged off his computer and entered the unternet.

Unternet by LadyGlennGlenn October 20, 2010