Place it as the first reaction after the offending line, then follow with the Eww Brother Eww button for a second voice, or precede it with a sudden suspense hit when you want the reveal to build before the response.
O tym dźwięku
A short voice clip of a man blurting out 'creep, what the hell' in flat disbelief after hearing something unsettling. It lands as grossed out, awkward and a little stunned, like a verbal step back from someone who has just crossed a social line in front of everyone.