Place it at the cut where the second person enters, before any reaction shot, then follow a beat later with the French Meme Song underneath the aftermath if the scene keeps rolling into a longer gag.
Sobre este som
This two-second French voice clip has Monsieur Poulpe delivering the line 'V'la l'autre tête de bite' in a dry, theatrical, mocking tone. It feels playfully exasperated rather than truly angry, turning an arrival into an instant roast. It comes from his video 'À un poil de conclure'.