No widely documented original recording is attached to this short phrase, so online it circulates mainly as a standalone Polish reaction clip rather than as a quote from a named show or film. Its appeal comes from the everyday expression itself: saying something belongs in your dictionary is a familiar way to claim a personal definition. Meme editors and casual sharers therefore use it as a flexible response, dropping it into conversations, videos, and comment threads whenever a definition, rule, or excuse is being bent for comic effect.