Po co trąbisz is Polish for why are you honking, and the phrase has circulated online as a short reaction sound rather than as a line tied to a widely documented film or television scene. Its appeal comes from how specific the complaint feels: it captures the everyday frustration of hearing a horn when nothing has actually gone wrong. Shared through meme soundboards and short video edits, it has become a handy shorthand for Polish-speaking creators and for viewers who recognise the traffic joke even without a translation.