Place it just before the reveal in an edit, after No No Wait Wait builds the stall, then let Oh My God Wow land the reaction once the answer finally arrives.
Über diesen Sound
This is a brief Spanish voice clip in which a speaker says 'Un momento' and asks for a second before continuing. It lasts about six and a half seconds, built around that one short phrase. The pause feels light and patient, turning a small delay into a friendly, slightly comic stall.