Place it right at the sit-down beat in your timeline, after the footsteps stop and before any dialogue resumes. Follow it with a bone crack for an older-character gag, or leave it alone before a reaction cut for a cleaner punch.
O tym dźwięku
This is a very short creak from a chair shifting under weight, a quick squeaky groan that lasts about half a second. It feels awkward and funny in a small, cringey way, like everyone heard the noise and is pretending they did not, which makes it perfect for an uncomfortable pause.