Place it at the end of a long monologue, right before the shot of the other person's face, and let it close the exchange. Follow it with sudden suspense while the reaction holds, then bring in Oh My God Wow as the reply from the person who was interrupted.
About this sound
This is a 1.7-second French spoken clip in which a voice delivers the line Ferme ta gueule, je t'en supplie, shut up, I beg you, with blunt, fed-up force. It feels exasperated and funny at once, like a friend finally snapping after too much noise, and it lands as a sharp, playful rebuke rather than a real insult.