The sound comes from Smeshariki, the long-running Russian animated series known as Kikoriki in English, featuring Losyash the bookish moose. Clips of the characters have circulated for years on Russian social media and soundboards, where short dubbed and original lines become reaction memes. This hungry outburst spread because the emotion translates even without Russian, pairing well with other broad meme reactions like the scream meme in edits about food, impatience, and daily frustration.