Little is publicly documented about the original recording behind this clip, beyond its French title and the name attached to it, so it is best understood as a short reaction sound circulating online rather than a line from a widely known film or show. Its appeal is practical: quoi is instantly recognisable as a question, and the delivery carries disbelief without needing translation. That makes it easy to reuse across short-form videos, where a single confused reaction can punctuate a twist, a misunderstanding or an unexpected reveal.