Place this clip right after the mistake becomes visible, then follow it with the Emotional Damage Meme Sound for the fallout, or hold it until after the Scream Meme Sound when you want the panic to escalate first in a longer sequence.
Über diesen Sound
This is a two-second voice clip of Ralph Wiggum cheerfully saying I'm in danger in his small, innocent voice. It feels funny and awkward because the line sounds happy while the situation it names is serious. The quote comes from The Simpsons, where Ralph is known for oblivious, childlike remarks.