Kurwwa with a doubled w is a stretched online spelling of kurwa, a very common Polish swear word used as an all-purpose exclamation of anger, surprise or disbelief. In meme edits the word escaped its language roots and became a universal frustrated shout understood from context and tone alone. Short clips of it circulate on soundboards and in gaming videos, where the exaggerated pronunciation does the work even for viewers who speak no Polish at all today.
About this sound
A loud shouted kurwwa exclamation from the Polish meme slang, stretched out for comic frustration and dropped into videos when something goes wrong.
A man shouts an elongated kurwwa in a raw frustrated burst that rises sharply and hangs in the air longer than expected. The delivery is loud unpolished and instantly readable as disbelief anger and comic overreaction all at once. There is no music or build up just the stressed vowel sound taking over the whole moment. It lands like a verbal facepalm turning a small mistake delay or sudden disaster into something much bigger and funnier for the viewer watching it unfold on screen.