Tong Yi Bu Ding is the Mandarin name for Uni-President pudding, a long selling packaged pudding closely associated with convenience stores in Taiwan. The exact source of this short recording is not documented, so its history is better traced through its online use as a soundboard clip. Shared as a sub second name drop, it travels in edits and chats where viewers already know the snack and get the reference immediately. That shared familiarity keeps the clip in circulation as a compact nostalgic shorthand rather than a longer meme format.