Place it as the final reaction after a setup clip, then follow it with Oh My God Wow for extra emphasis, or precede it with No No Wait Wait to build the refusal before the main line lands.
About this sound
A brief 1.75-second spoken clip in Brazilian Portuguese, with a voice delivering the phrase "Deus me livre, uai" in a startled, emphatic tone. It feels like an instant, comic recoil from something shocking or unwelcome, mixing disbelief with playful horror.