Anyone who sacrifices artistic integrity in an effort to become more successful or popular (generally in music); someone who forgets their roots.
by Sean Piece August 3, 2003
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One who betrays a cause for personal advancement.

The popular definition of sell out allows it to be used as an insult towards anyone in show business. On the contrary, there are many bands which are considered sellouts which are not.

For instance, Green Day. They are considered sell-outs because they are a punk band who was popular on MTV. Green Day never stated that they would never be on MTV, thus they are not sell-outs in that sense. They never changed their musical style for monetary reasons, thus they are are not sell-outs in the more literal sense of the word. If Fugazi were to sign up with Sony records, they would be selling out because they preach against major labels.
by SpinSpyder June 24, 2003
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when a band/singer/rapper changes their music/style in order to sell records.
gwen stefani is a 'sell out'.
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a muscian who is makes music to only:
1.make money
2.makes music to fit "the crowd" in order to make money
3.only wants the fame and glory of being a so-called "celebrity"
by Anonymous October 23, 2003
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v. 1. The greatest atrocity of our generation.

2. The favorite activity of 99.9% of the modern no-talent rock/pop stars.

3. The fastest known way to become a soulless, worthless piece of shit.
"All you know about me is what I sold you, dumb fuck. I sold out long before you ever even heard my name."
by cynical asshole June 19, 2003
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Someone who chooses to fuck you over for a stupid ass reason. (EX. girlfriend, boyfriend, work, family)
You're gonna sell out for that stupid bitch!!!!
Where is my bottle Of Crown you fucking sell out!!!
by Kristen August 6, 2003
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1 - a certain even that sells all its tickets in a relatively quick period of time

2 - More commonly used to describe a person or music group (especially a metal or punk band) that quickly becomes popular and suddenly its original fan base turns away from them as the band has found a new niche market wordteenyboppers/word
1 - Tickets to the all blacks game sold out by noon

2 - Evanescene are now sell-outs. they now suck
by Brother Number One November 1, 2003
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