Put it at the end of a short exchange, after a pleading clip such as No No Wait Wait, so the dismissal closes the scene. Follow it with Oh My God Wow for a shocked reaction, keeping the sequence tight and letting each moment speak for itself.
关于此声音
This two-second Portuguese voice clip has a mother snapping 'anda embora, caralho' at someone who needs to leave, her tone sharp, impatient and unmistakably fed up. It feels abruptly funny because the dismissal is so blunt and familiar, like being scolded in the middle of an argument. The clip comes from the Kesyn & Skelter channel.