Sell out 

Post-"Black Album" Metallica.

Metallica sold out after the Black Album. Sell out fags.

Sell out by DoesntSuckJamesHetfieldsDIC August 1, 2009

sell out 

Anybody who is on MTV.

sell out by Anonymous June 20, 2003

sell out 

1) Phrase used by embittered old bastards who find that a band they liked became popular, so therefore they must suck now.

2) When a band changes style and then appeal more to the mainstream than to it's original fans. Often a band did actually become crap when it once was good: e.g. Incubus, Green Day. However, many bands who 'sold out' were already shit to begin with: e.g. Good Charlotte.

sell out by IkeM October 20, 2003

sell out 

Colin Powell.

Damn, first Colin Powell sells-out politcal integrtity, now the adminstration he grovels for has sold him out cuz I haven't seen his mumblin' ass on TV for weeks.

sell out by BootCamp July 23, 2003

sell out 

When a person that is supposed to be amdd tight wit u like a close friend or girlfriend that u been goin out wit for a long time :1)leave u somewhere and leave and chill wit other ppl:2) get mad at u even tho theyre rong

Yo he sold me out to go chill owt those herbs.

sell out by BiG G April 12, 2003

sell out 

Ja Rule.

sell out by jayde October 10, 2003

sell out 

its when someone lets you down

Bob: yo u playing football today?
Lewis: Narr man my mom wont let me
Bob: Your a sell out basterd!

sell out by Gowher Shah May 16, 2005