The hook comes from the television advertising for Reese's Puffs, the peanut butter and chocolate breakfast cereal, where a short rap was used to make the brand sound fun and energetic rather than like a conventional jingle. The chant proved unusually memorable, and clips of it began circulating online as a nostalgic soundbite, shared in memes, remixes and short-form videos. Its brevity and instantly recognisable rhythm have kept it in circulation long after the original adverts, especially whenever creators want a quick, playful cue for food, cravings or childhood nostalgia.