Little is documented about the original recording behind Ia Ia Yey Yey, so its life online is defined by how meme clips reuse it rather than a confirmed source or performer. The title is simply the chant written out, which makes the sound easy to search and instantly recognisable once it starts looping. Shared as a long meme audio, it works because the phrase needs no translation or context, and the endless repetition suits reaction edits, ironic celebrations and videos that deliberately stretch a tiny cheerful moment far beyond a normal reaction.