Place it at the end of a reaction sequence, right after the offending message appears on screen. Follow it with the bruh meme sound for a stunned beat, or switch to a fail sound meme when the whole plan falls apart.
About this sound
Captain Nascimento delivers the Portuguese line “não fala comigo” in an 8.7-second voice clip, spoken hard and direct. It feels tense, angry and deliberately distant, like a personal warning rather than a casual refusal. The line comes from Captain Nascimento in the Brazilian crime film Tropa de Elite.