Place it right after the reveal in a reaction edit, then follow it with Oi Meu Chapa for a casual greeting that resets the scene, or with Ele Gosta when the joke turns playful. Put it before a punchline sound rather than after one, so it sets up the next beat instead of competing with it.
About this sound
This three-second clip is a Brazilian Portuguese voice blurting out 'Que merda, não acredito' in a burst of frustrated disbelief. The delivery is blunt, exasperated and instantly recognisable to anyone who has heard the phrase in everyday conversation. It lands as comic shock rather than anger, the kind of reaction that makes a bad surprise feel funnier the moment it is said aloud.