重金属音乐会上，前排的头摇爱好者们随着节奏疯狂甩头。

At the heavy metal concert, the front row was packed with ___headbangers violently shaking their heads to the music.

那群摇滚迷昨晚在派对上把沙发从阳台上扔了下去。

Those ___headbangers threw the sofa off the balcony during the party last night.