the practice of several people attacking somebody while another person in the group makes a film of the attack 开心掌掴(指几人围殴一人,由同伙将袭击画面拍下) A victim of happy slapping hit back at one of the attackers and broke her ribs. 快乐掌掴的受害者回击了其中一名袭击者,折断了她的肋骨。 Schools banned camera phones because of the happy slapping craze. 学校禁止拍照手机是因为快乐拍击热。 a happy slapping video 快乐的拍击视频