mosher       
noun [ C ] uk/ˈmɒʃ.ər/ us/ˈmɑːʃ.ɚ/
 (在摇滚音乐会上)疯狂跳舞的人
a person who dances energetically and violently to rock music
  A fellow mosher had picked him up and dropped him on his back. 一同疯狂跳舞的人抱起他然后把他摔在地上。 
 The modern-day goth is a cross between a mosher and an emo kid. 现代哥特乐爱好者喜欢在摇滚音乐会上疯狂跳舞也喜欢情绪硬核摇滚。 
 See: mosh
 - More examples
 - When moshers hit the floor, they're helped quickly back to their feet.
 - They are all dressed in punk, goth, or mosher style.
 - The only kinds of concerts I attend in jeans are the ones where you end up with moshers.