nigger noise
Any song or otherwise musical phrase that is sung by or in the typical style of music popular with African Americans, i.e. hip-hop, rap, etc.

It often includes sentiments derogatory towards white males, women, and other minorities. Other common themes include the accruing of money, the partaking in illegal substances such as cocaine or heroin, and exaggerated claims as to the quality of the singer's vehicle or house.
Examples of nigger noise include anything sung by Soulja Boy.