Place it at the closing beat of the edit, after the teammate fail has played out in full. Lead in with the Roblox Oof Sound for the initial mistake, then let this clip deliver the final reaction before cutting to the result.
Об этом звуке
This is a 3.7-second Polish voice clip saying “Wszystko muszę sam robić,” meaning I have to do everything myself. The delivery feels frustrated, weary and resigned, like someone who has given up waiting for help. That everyday annoyance makes listeners recognise the complaint instantly, without it turning into a big angry outburst.