Breakdance: (Originally known as Rocking); B-boying; Breakdancer; B-boying or Breaking, also called Breakdancing, is a style of street dance that originated among African-American and Puerto Rican youths in the Bronx, New York City during the early 1970s.
The study and application of body music and body language. It commonly refers to the act of creating rhythmic sounds and language with various parts of the body; particularly the throat, mouth and hands. Its practitioners are known as Human Beat Boxes or Human Orchestras.
n. Informal: A disc jockey – disc′ (or disk′) jock`ey, n.
a person who selects, plays, and often comments on recorded music, as on a radio program or at a discotheque.