This is the Twitch emote "CatJAM", showing a white cat rhythmically bobbing its head to music. It became popular as a fun and wholesome reaction meme representing someone enjoying a good beat.
It's used in chat when music is playing, something is vibing, or the mood is upbeat. Viewers spam it to "jam along" with the streamer or celebrate a fun, catchy moment.
How to Get the "CatJam" Twitch Emote
You can easily get the "CatJam" emote by subscribing to our Twitch channel.