Place it as a beat between a setup line and the reaction that follows, then follow it with Ceeday Huh for a second beat before the next line lands. Pair it with Damn for a sharper second reaction, keeping it first so the sequence builds from a small beat to a bigger response.
About this sound
This clip is a half-second vocal 'gug' from Tyler Joseph of Twenty One Pilots, a brief, low grunt-like utterance with no other words around it. It feels awkward and funny in the best way, like a small sound that catches a listener off guard and makes a plain moment seem stranger. Fans recognise that delivery at once, which is why it works as a quick reaction on its own.