Put it right after the visual reveal in your edit, as the response beat before the reaction shot. Follow it with a laugh sound for a group scene, or precede it with a record scratch when the stare needs setting up first.
About this sound
This clip is a gruff male voice lasting about five and a half seconds, defensively calling out someone for staring at his stomach. It lands as confrontational but playful, turning an awkward caught-staring moment into a blunt, funny accusation that feels more embarrassed than truly angry.