This clip is associated with Yuudachi from Kantai Collection, where the character is known for saying 'poi' as a verbal tic. That catchphrase became especially popular in anime fandom spaces through clips, remixes and short reaction edits shared on social platforms and soundboards. Its staying power comes from how brief and distinctive it is: one tiny line can signal cuteness, confusion or pure randomness without needing any setup. Fans still use it because it works instantly, even for people who only know the meme version.