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: Pearl Jam pulled out of a concert in a dispute with security forces over how to handle ''moshing,'' the rowdy, high-contact dancing common at their shows (late 1980s+)
To dance to heavy metal music in a tight-packed arena called a ''mosh pit,'' with a certain amount of physical violence: They don't dance. They mosh. They slam. They skank and thrash, too/ Gearshift would give the crowd something to mosh to
[late 1980s+ fr British; fr British dialect, ''mash, smash,'' found by 1848]