The phrase comes from Thai words for canned fish, with Rosa as a familiar canned-food brand name in Thailand, but the exact recording behind this clip is not documented. Online, the chant circulates as a short, shareable soundbite rather than as part of a known song or show. Its appeal comes from repetition and recognition: listeners who know the words can join in, while others enjoy it as an odd, catchy snippet. That mix has kept it useful for meme edits, food videos and playful Thai-language clips, where a familiar grocery phrase becomes a quick joke on its own.