Put it at the start of a Luca entrance, then follow with Chipmunk Laugh for the reaction; if nobody answers, add Awkward Crickets after it to underline the lack of a reply.
Über diesen Sound
This is a short clip built around the single name Lucaa, lasting just over two seconds and centred entirely on that one word. It feels playful and attention-grabbing, like calling out across a room to get a laugh or a look. The name does the work, so the moment lands instantly without any setup or explanation needed.