Put it at the end of a betrayal setup, after the evidence has been shown, so it works as the accusation itself. Build tension first with Sudden Suspense, then follow it with Damn for the reaction shot that closes the scene.
このサウンドについて
This is a short, two-second spoken reaction built around the phrase straight snitch, delivered in a blunt, accusing tone that lands like a call-out. It feels cheeky and confrontational, the kind of quick jab that makes a betrayal or a tattling moment funnier by naming it outright, without needing any extra setup or explanation.