Place it at the exact cut where the fail happens, then follow with the Roblox Oof Sound Button for a double-hit in longer montages. It works best solo for quick cuts, and paired before a jumpscare or alarm sting when building a fake-out sequence.
About this sound
This is the short Roblox death grunt, a clipped 'oof' vocal effect that lasts under half a second. It lands as funny and slightly awkward, turning a character wipeout into a punchline instead of a real fail. It comes from Roblox, where it plays when a player's avatar dies or resets.