Koko Santi circulates online as a short meme sound shared on soundboards and in short-form videos, where creators use it as a quick reaction or prank accent. Its exact origin is not widely documented, and it is best known by its distinctive name rather than by a film, show or artist. That has not slowed its use, because the clip is easy to recognise, quick to place and suited to fast edits, reaction videos and playful chats, giving creators an instant comic beat.