Place it at the end of an argument scene, just after the other person announces they are leaving. Let No No Wait Wait come first, then follow with this clip as the reply. If the scene needs a bigger reaction afterwards, add Oh My God Wow to close it.
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This is a short Portuguese voice clip in which a speaker says 'ah mas não vai mesmo', pushing back with playful disbelief at someone who claims they are about to leave. The delivery feels teasing, knowing and slightly exasperated, as if calling a bluff in the middle of an argument. It works as a quick dismissive reaction when the threat to walk away sounds empty.