The phrase itself is everyday Polish for it is not difficult, and as a short audio clip it has circulated mainly as a reaction sound rather than as a quotation from a known film or show. Its appeal comes from that everyday bluntness, which translates easily into memes about tasks, games and tutorials that turn out simpler than expected. Because the clip is only a couple of seconds long, it fits neatly at the end of a short video, and that reusability has kept it in rotation for creators who want a quick, deadpan punchline without a setup.
About this sound
A short Polish spoken clip saying to nie trudne, meaning it is not difficult, used as a sarcastic reaction when a task turns out surprisingly easy.
The clip is a brief, matter-of-fact spoken line in Polish, delivered in a flat, almost dismissive tone that makes the words land like a shrug. It lasts just over two seconds, so there is no build-up or musical backing, only the voice itself, clear and direct enough to be understood instantly even by listeners who catch just the rhythm of it. That bluntness is the joke: it sounds unimpressed, as if the speaker cannot understand why anyone found the task hard, and it gives a video an instant punchline without needing any explanation.