Place it as the final beat of a failed run, after the Roblox Oof sound marks the character's defeat, then let the Nope meme sound follow as the player's reaction to losing.
關於此聲音
This is the short game-over jingle from Super Mario Bros, lasting about 3.8 seconds, with a simple musical phrase in bright, old-style game tones. It feels like a gentle, comic defeat rather than a harsh failure, mixing disappointment with nostalgia and a nudge to try again. Hearing it instantly brings back the moment a run ends.