Place it right after the boast or threat it answers, as the closing beat of the scene, then follow it with a reaction sound to sell the bluff. A Bruh works after the bravado collapses, while Emotional Damage fits when the threat backfires completely.
About this sound
This is a short spoken clip in Portuguese, lasting about 4.7 seconds, in which a voice delivers the line 'Eu tirava na porrada' in a blunt, confrontational tone. It sounds like a direct threat made with confidence, which gives it a funny, over-the-top edge rather than a serious one. That mix of toughness and humour makes it feel like a warning meant to land as a joke.