happy slapping
noun[U]
UKinformaluk/ˈhæp.i ˌslæp.ɪŋ/us/ˈhæp.i ˌslæp.ɪŋ/theactivityofattackingsomeone andfilmingtheattack,especiallywith amobilephone
快乐掴耳光（攻击他人并将全过程用手机拍照的恶劣行为）Photography
- airbrush
- aperture
- bokeh
- camera
- camera obscura
- expose
- glossy
- grain
- hologram
- holographic
- holography
- kinetoscope
- lantern slide
- pap
- picture
- PillCam
- pin-up
- pinhole camera
- pix
- projection