Place it right after the reveal, as the reaction that closes the scene, then follow with Sudden Suspense for a dramatic beat before the next clip. If the joke needs a louder finish, put Oh My God Wow after it instead, so the surprise lands second and the edit ends on a bigger reaction.
Über diesen Sound
This is a very short spoken clip of someone asking “Porque será?” in a slow, questioning tone, as if they already suspect the answer. It feels playful and knowing, with a teasing hint of suspicion that turns an innocent question into a joke. The delivery makes it perfect for moments when the reason is obvious to everyone except the person asking.