DemeWave

What the picture shows

A pixel-art yellow baby chick with large glossy black eyes, pink blush cheeks, an open orange beak, and one wing raised in a waving gesture. Chatters most likely use it as a friendly greeting or hello when joining a stream or welcoming someone into chat.

No measured meaning yet. Used 54 times in 9 channels this month; one is written once chat gives enough evidence.