Place it at the start of a welcome sequence, just before the newcomer's first action, then follow it with a short cheer or applause to complete the greeting. Keep it early in the edit so the moment stays focused on the person arriving.
About this sound
A short spoken greeting lasting about six seconds, delivered as a warm invitation to join in. It sounds like a playful initiation, welcoming a newcomer into an inside joke or shared group. The tone is friendly and conspiratorial, giving listeners a small sense of belonging and amusement. It works best as a lighthearted hello for someone arriving late to the fun.