It is a variation of the audio editing technique scratching.
It is typically used in either music videos or live performances, with one or more individuals manipulating a video sample to make it follow the rhythm of whatever music is playing.
[1] Academy Award winning filmmaker Zbigniew Rybczyński used the technique in the 1984 music video for "Close (to the Edit)" by The Art of Noise.
[2] The British art collective Gorilla Tapes, comprising Gavin Hodge, Tim Morrison and Jon Dovey, developed a body of scratch video art work, also to much critical acclaim, during the early to mid-1980s.
Their seminal 1984 work Death Valley Days reflects upon the stifling atmosphere of the Cold War years and has been exhibited at a number of prestigious venues including Tate Britain where one of the video's fours sections entitled Commander in Chief was included in the 2003 Tate exhibition A Century of Artists Film in Britain.