Wiktionary
supercut
alt. A montage of short video clips, usually from a film or TV series, illustrating a particular element such as a word or phrase. n. A montage of short video clips, usually from a film or TV series, illustrating a particular element such as a word or phrase.
Wikipedia
Supercut
A supercut is a compilation of short video clips of the same type of action, a "fast-paced montage of short video clips that obsessively isolates a single element from its source, usually a word, phrase, or cliche from film and TV." The purpose is usually to create a comic effect.