No clear origin is documented for eneprum, and the word itself appears to be nonsense with no known character, film, or song attached to it. The clip circulates mainly through WhatsApp audio collections and soundboards, where very short voice notes are saved, renamed, and forwarded out of context. That stripped-down format helped it survive as a reaction sound. Stripped of any setup, it can be dropped into almost any chat, which is why users keep it for moments when a normal reply would be too predictable.