Place it at the very end of a failed attempt, after the mistake is clear, so it acts as the final verdict. Follow it with the Bruh sound for a slower reaction, or lead into it with the game show buzzer when the answer is wrong.
이 사운드에 대해
This is a one-second vocal clip of someone saying the Russian word net, meaning no, in a flat, blunt tone. It feels abrupt and dismissive, like a door closing on an idea, and it works as a comic stop sign for a failed attempt or an unwanted suggestion.