Place it at the end of a long talking segment, just before the switch to the reaction. Follow it with Vine Boom for a punch, or lead in with Dun Dun Dun when the dull moment needs a build-up first.
About this sound
This seven-second clip is a single drawn-out buzzing hum built from repeated buzzy syllables. It feels deliberately silly and slightly irritating in a playful way, the kind of noise that makes a dull moment feel absurd. It works best as a short burst of nonsense rather than a serious effect.