Place it right after the entrance shot, then follow it with Bruh for a deadpan reaction, or lead in with Oh My God Bro Oh Hell Nah before this clip takes over the scene.
About this sound
This is a Portuguese voice calling out a guy who has just appeared, then breaking into long, unrestrained laughter that carries on for about fourteen and a half seconds. The delivery is teasing and gleeful, turning a simple arrival into a joke at the newcomer's expense. It feels infectious and mocking at once, like a room full of friends who cannot stop laughing at someone walking in.