I know, we are totally different from him. Let's go cut ourselves.
Many people who refer to themselves as members of the so-called underground believe that mainstreamers are tasteless and brainwashed by popular mass media; if something is well known or popular, it is automatically "lobotomized corporate claptrap". Though this can be true, there are many exceptions. Mainstream music fans, on the other hand, believe that little to no media exposure for a band means that the band sucks. Other people, who like what they like whether it's popular or not, consider both groups to be douchebags for denying themselves potential enjoyment for a goofy image complex that they won't give a crap about when they have to get a job and move out of mom's basement.
2. Hey man, I just burned a great Metallica CD... but Metallica is a household name, and you only listen to "underground metal", so you won't like it despite the fact that they'll always blow your little Cannibal Corpse, Opeth, Zao, Killswitch Engage and Lamb of God away. Too bad for you.
2. A member of a sub culture whose natural likes lean toward mainstream tastes.
Ken:He's such a mainstreamer.
anyone with a soul hates mainstreamers except for the head mainstreamer because they have control of the entire mainstream body
GOD DAMN, he sold out to the mainstream.!!!