Sakuga literally means "drawing" in Japanese, and in the industry it names animation work neutrally. In Western fandom the term took on a second life: it means passages of notably expressive, high-quality animation, and the culture of collecting and crediting them.
Sakuga is a word with two lives. In Japanese, sakuga simply means the drawing work of animation, and the sakuga director is a credited production role on every episode. International fandom borrowed the word and bent it toward admiration: a passage where character acting sharpens, an action cut that flows beyond the television standard, a quiet scene animated with unusual care.
The fandom built an archive culture around it. Clips are catalogued by animator where known, famous cuts are traded by description, and certain animators are followed by name across studios the way fans elsewhere follow cinematographers. A sakuga moment is often the part of an episode that circulates on its own for years.
Precision matters because the two lives collide. A credit listing sakuga supervision is industry language; a fan calling a fight scene great sakuga is praise language. This site's glossary uses the fan meaning, since that is the term's life in English, and flags the difference so the word can do both jobs without confusion. Entire reference sites are devoted to preserving these cuts with animator credits attached, treating television animation with the archival seriousness other media reserve for cinema.
In use"A fight cut where every dodge has weight and follow-through is the clip fans forward around calling it sakuga."