Open a reaction segment with it, then follow it with the rizz sound effect to keep the joke going, and finish with the anime wow sound for an over-the-top response.
关于此声音
This is a short 1.4-second whistle made of two clear, rising notes, the familiar fiu-fiu call used to catch someone's eye. It feels flirtatious and teasing, with a light, cheeky edge that makes the moment feel playful rather than serious.