Place this clip right at the decision point in your edit, before the action happens. Follow a failed warning with the awkward crickets sound button for the aftermath, or precede it with a whip crack sound button to underline the sudden stop.
Über diesen Sound
This is a short voice clip, about one second long, of a man urgently saying 'Don't do it' as a last-second warning. It lands as funny and tense at once, like a friend shouting just before a bad idea becomes real, which makes the panic feel playful rather than serious.