Put it at the start of a reaction beat, just before the next main reply, then follow it with Bruh for the deadpan reply or Emotional Damage for the over-the-top reaction.
À propos de ce son
This is a short voice clip of someone saying 'excuse me' with the vowels stretched out for emphasis, lasting just over three and a half seconds. It sounds playful and a little cheeky, like a light nudge to get attention without sounding rude, and it works because the exaggerated delivery turns a polite phrase into a funny interruption.