Music that's usually on the radio, Top 40 and is well known to the general public. Usually criticized by fans of the previous mainstream generations, and people who prefer bands and/or genres that aren't apart of the mainstream popularity of the time.
Todays Mainstream Music usually includes Bands/Artits such as 50 cent, Rhianna, Fall Out Boy, My Chemical Romance, etc.
by 1729 December 17, 2008
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Someone who is anti - mainstream has a strong dislike of trendy things and people. Many subcultures have preached about being anti - mainstream, most notably punk and heavy metal. Death metal, Black metal, and a few lesser known subgenres of punk rock remain the longest standing anti - mainstream subcultures while others have either become popular (I.e punk) or merged into other more popular subcultures(I.e classic metal and thrash metal). While music subcultures have the biggest anti - mainstream message other subcultures based around religion (I.e LaVeyan Satanism), politics(i.e non partisans), and even literature have emerged. Most trendy things start out anti - mainstream and become popular usually after a slight change in image (I.e in the 1920's united states when white people began playing jazz it became acceptable).
Punk was the first major anti - mainstream subculture, shortly followed by heavy metal and hip - hop.
by Thatheadbanger July 26, 2009
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A mainstream whore is one whom follows almost every single trendy thing they can, and changes as new things come out, or older things come back.
Mary: I mean I used to like the Jonas Brothers, but then I moved onto Justin Bieber. I am absolutely in love with One Direction now though, even though I only like one of their songs.

Susy: You are such a mainstream whore.
by William Sharks pear July 9, 2012
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Noise that should not be referred to as music
Jessica: Eh mah gawd Lizzie, the bestest genre is totally mainstream music, cause it is so effing awesome.
Lizzie: Eh mah gawd, me too! Lady Gaga's new CD is effing awesome.
by Old Soul July 1, 2009
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a stupid pop fan, will like whatever gets radioplay/whatever's popular. has no real music interests or preferences, just whatever it on billboard or trl. some one who only knows the big singles. they are typically teens that don't know what their own opinions are yet.

in my opinion, these people aren't even music fans. just clones. if you are one of those people where the only songs you listen to have music videos and are on mtv, STOP! there is SO much great music out there are you need to find out what you like! Don't let ANYONE else's opinion on music effect yours, just listen to the music you like!
sally is a mainstream fan. her favorite song is whatever is number one on the charts.
by eminemfan1218 January 6, 2009
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A friend who does not participate in the underground culture of rollerblading.

The word was derived from all of the underground music, such as Anticon, associated with the rollerblading world compared to the many mindless musicians and bands like 50 Cent, Coldplay, and The All-American Rejects whom the average friend gobbles up, never realizing the intellectual greatness of the underground.

This mirrors the world of rollerblading because of the lack of common knowledge most people have of it.
Rollerblader 1: Yo dawg, you wanna roll today?
Rollerblader 2: Naw man, I'm hangin' with mainstream friends.

Rollerblader: Could you name one pro rollerblader?
Mainstream Friend: No.
Rollerblader: That's what I thought.
by buspassninja January 7, 2006
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Almost all mainstream rap sucks. It is easy to discover mainstream rap as all you have to do is turn on your T.V. or radio and you're bound to be fed that crap. More people should listen to Blackalicious, The Roots, Jurassic 5, Talib Kweli, Mos Def, Common, Lyrics Born etc...
Mainstream fan: Yo... u hear that joint from 50 Cent and Akon man? That shit on MTV is hot!!!

Real Hop Fan: I don't even have the time to argue but mainstream rap is awful.

by Jeremy1856 September 17, 2007
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