Also called the UG. A message board forum for MMA (Mixed Martial Arts) fans and fighters. Members often refer to themselves as UG'ers. Contains many UFC and PrideFC elitists/nuthuggers that hate TUF noobs(new fans due to The Ultimate Fighter Reality show). Members tend to belittle others for liking certian fighters, or for not knowing who certain figters are.
There are different levels of access to the forum, a free or MUDNAMER account and a Pro account(blue, green, red name)which costs $$.
Mudmaners usually get shit on by the Pro UG'ers for not buying a name (forum namism if ya ask me).

Ban this mudnamer, The UnderGround doesnt need anymore TUF noobs.
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Un•der•ground (un’der ground’), n., adj.

1) A genre in music and other forms of media intended for an elite audience, that is often characterized by its high levels of originality and experimentation, and does not conform to typical standards, trends, or hypes as set by the popular mainstream media.
The mainstream media has a tendency to steal new ideas from the underground.
by Essix April 16, 2005
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A movement or a group of people related to music, who do it not for the money, the notoriety or the fame, but for the love. They don’t promote, because they don’t crave popularity. They also don’t need to tell everyone about how underground they are because they aren’t really interested in labelling their own movement, they just do it, and if people enjoy it, great.
You ain't underground, you have a Facebook page advertsing your event fella....
by dandesqueran June 06, 2015
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Art, opinion or organization that exists outside of mainstream society or culture. Also known as "independent" or sometimes "counter-culture".
Giff preferred the underground music scene in her area to the bland stuff that played on most radio stations.
by Gyro June 09, 2002
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Underground is about passion. of course the word is missused and abused . a true underground artist will create music/art from the heart as apposed to something tailored to a commercial market.an underground event organiser will still put on the event for the love of it even if its going to lose money... underground artists can have a long career out of the often distructive gaze of mainsteam media and earn money which is closer to someone with a good job than the millions of there commercial counterparts. where as a commercial artist will probably have a short shelf life
"I have been buying his records for 15 years, a true underground artist"

"whatever happened to him , last year he was on every tv show , radio station and all the teenage girls had his tee shirt"
by from the heart June 12, 2007
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deep deep hip hop sounds and music. Straight hardcore conscious rap music.
Artist like Kenn Star, Supastition, Freddie Foxxx, krumbsnatcha, Teflon,Akrobatik, Kurious, q-unique.. make undergrounder music cuz.

The "undergrounder", the better {Propz to Clara (Flawless}
by SalamSM October 22, 2007
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