Place this clip right after the offending line in your edit, then follow it with a shocked sound for the reaction beat before cutting to an oh no no no laugh when the comments pile in and the scene turns into a pile-on.
About this sound
This is a short 3.3-second voice clip of someone saying the line about imagining using that slur in 2025, delivered as a flat, disbelieving callout. It feels awkward and stunned, like a pause after someone crossed a line, turning shock and secondhand embarrassment into the whole point of the clip.