rap snitches

The phenomena of rappers accidently (or intentionally) exposing themselves for a crime they have committed through the lyrics of their music, often in gangster rap. The term was especially popularized by the song "Rap Snitches Knishes" by MF DOOM.

Rap Snitches: free my boy, he ain't do nothing wrong (except rob a bank at gunpoint on December 23rd, 2011)