Place it at the very end of a failed attempt, after the mistake is clear and before any reaction clip. Pair it with Pop Sound Effect just before the fall for extra snap, then cut to Nope Meme Sound when the player refuses to try again.
About this sound
This 0.36-second clip is a brief, low-pitched grunt that sounds like a cartoon thud when a Roblox character is eliminated. It feels abruptly funny rather than serious, turning a sudden defeat into a light joke for players who know it instantly. It comes from Roblox's original death cue, which spread through gameplay videos and memes in the 2010s and stayed familiar even after the game changed its default sound.