Place it at the end of a reveal, just before the reaction shot, then follow it with Oh My God Wow for a bigger response and Ceeday Huh when the moment needs a second beat.
About this sound
This is a very short surprise reaction clip, lasting less than a second, built around the idea of a question mark made audible. It lands as a quick burst of confused disbelief, the kind of sound that makes a listener pause and wonder what just happened. Playful and slightly awkward, it works best as an instant response to something unexpected, odd or hard to believe.