Something that's so much in fashion any more but it's worth noting in case you don't know anime/manga.

"Shunpo" or "Flash Step" movement: This refers to the common trope in anime and manga of having characters who fight and move by literally seeming to disappear and reappear in front of other characters. Obviously this is in no way a uniform thing but there was certainly a time when this in common parlance. The terms Shunpo and Flash Step are the Japanese and English names for the high speed movement technique used in the series Bleach which caused the phrase to be coined back when it was extremely popular.