Definitions by silwhett
An abbreviation for Underground. In music and internet culture, it refers to the independent, alternative, or non-mainstream scene (specifically underground rap, experimental media, and subcultures). It does not mean below the surface of the earth.
EBK
EBK stands for "Elite Ball Knowledge." 1 In internet slang, "ball knowledge" originally referred to a deep understanding of football/soccer or basketball, but it has evolved into a broader term for having a highly sophisticated, deep, or niche understanding of any specific topic (such as music, movies, or subcultures).