Place it right after the awkward reveal in your edit, then follow with a Ba Dum Tss Sound Button if the moment is a deliberate bad joke, or save it as the final beat after a failed attempt lands.
Over dit geluid
This clip is a close, stifled human snicker that runs for about nine seconds, with short breathy bursts held back rather than a full open laugh. It feels sly and amused, like someone knows a joke landed but is trying not to show it too openly in the moment.