mosh

moshata puhekieltä To dance by intentionally jumping into and collide colliding with other, similarly behaving dancers, and performing other wild, aggressive, or spastic movements.
2005 July 28, Kelefa Sanneh, “Heat, Good Cheer, Jagged Music and Even Some Melody”, New York Times

From 9 in the morning (when It Dies Today played the lot) until 9 at night (when Ozzy Osbourne led w:Black Sabbath|Black Sabbath on the main stage), hardy fans cheered and moshed and staggered through a stifling but often exciting day.