The phrase is Polish, with przestan meaning stop it, which explains why the clip travels as a reaction even among viewers who do not speak the language. It circulates on user generated soundboards and in short form edits, where brief foreign language voice lines often become reusable punchlines. Its appeal comes from the frustrated delivery rather than a known film or show source, and editors keep reposting it under its original wording, so searches usually use the exact phrase instead of a translation.
About this sound
Polish voice clip of someone saying Przestan bo sie spawiuje, used as a funny reaction sound effect for memes, edits and prank videos online and streams.
This is a short Polish spoken clip built around the phrase Przestan bo sie spawiuje, delivered in an exasperated, half joking tone as if telling someone to stop before things get out of hand. The voice is close and clear, with the stress landing hard on the opening word, which makes the line instantly recognisable even without context. At just over two seconds it works like a verbal stop sign, cutting into a scene to signal disbelief, second hand embarrassment, or that a joke has gone too far for the speaker to handle.