Place it just after the failed attempt or wrong call, as the reaction that closes the scene, then follow it with It Was At This Moment He Knew for the payoff, or open with Fail Sound Meme before it when the miss needs a bigger build-up.
About this sound
This 2.5-second clip is built around the phrase lack of faith, delivered as a short, pointed soundbite that lands quickly and leaves no room for doubt about what was said. It feels dry and dismissive, with a weary edge that suits moments of disbelief or letdown, turning a small failure into something worth calling out. Its brevity keeps the focus on the phrase itself.