Place it near the start of an edit, just before the situation falls apart, then follow it with the DJ Airhorn Sound Effect for a sudden jolt or the Windows XP Error Sound when the plan visibly fails. Keep it as the setup, not the punchline, so the contrast does the work.
關於此聲音
This 19-second clip features Eric Cartman from South Park delivering a sunnily optimistic line in his recognisable, over-the-top voice. It feels warm and oddly reassuring, yet the cheerfulness lands as funny and ironic because it sounds too positive for the situation. The line comes from the long-running animated series South Park.