Place it at the climax of an edit, immediately after the decisive action and before any celebration footage, so it marks the turning point. Pair it with Oh My God Meme just before the climax to set up the payoff, then follow it with Yaaaay Cheer to carry the celebration forward.
About this sound
This is a short spoken exclamation, lasting about two seconds, in which a voice bursts out with 'Ohh my word, he's done it' at the instant someone succeeds. The delivery is breathless and disbelieving, turning surprise into shared celebration, as if the listener has just watched an unlikely attempt finally come off. It feels warm, funny and triumphant, made for the exact second doubt gives way to delight.