Krumping is a street dance popularized in the United States that is characterized by free, expressive, exaggerated, and highly energetic movement involving the arms, head, legs, chest, and feet. The youths who started krumping saw the dance as a way for them to escape gang life and "to release anger, aggression and frustration positively, in a non-violent way."
Read more about Krumping: History, Style, Vocabulary