overcrank

English

Etymology

over- +‎ crank; dating from a time when film was advanced in a camera by the turning of a crank.

Verb

overcrank (third-person singular simple present overcranks, present participle overcranking, simple past and past participle overcranked)

(film) To shoot a scene while advancing the film in the camera more quickly than it will advance on playback. This results in slowing down the action in the final film.
Antonym: undercrank