fitting the flaps
n.— «Lip Synchronisation, known in America as “fitting the flaps,” is a means of ensuring that the sound of the words being spoken matched the lip movements of the onscreen speaker.» —“Lost in Translation” Schoolgirl Milky Crisis Nov. 27, 2006. (source: Double-Tongued Dictionary)
Further reading
The word filibuster has a long and colorful history, going back to the days when pirates roamed the high seas. Today it refers to hijacking a piece of legislation. Plus, the language of yoga teachers: When doing a guided meditation, you may hear...
Understanding the varieties of conversational styles can mean the difference between feeling you’re understood and being insulted. “High-involvement” speakers interrupt or talk along with someone else to signal their enthusiasm...