Place it at the very end of a reaction sequence, after the back-and-forth has peaked. Lead in with no no wait wait during the messy argument, then let this clip close it, and follow with a sad violin only if the other person's side collapses completely.
Sobre este som
A short spoken clip, about four seconds long, of a woman saying 'Não precisa dizer mais nada' in Portuguese, attributed to Claire Scorzi. The line lands firm and final, like a conversation is being closed on the spot. It feels decisive and a little dismissive, the verbal equivalent of walking away after making the last point count.