Are yams and sweet potatoes the same?
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]