Bust In Silhouette on Twitch

What it signals here

stream usage

Appears as a default unsubscribed or anonymous viewer icon reference in chat.

emote mapping

Maps to 'lurker' or 'ghost viewer' style emotes on many servers.

chat meaning

Used to call out lurkers or reference a hypothetical viewer/player.

clip context

In clip titles, used to reference an unnamed player or streamer behavior.

subscriber context

Represents non-subscribed or anonymous viewers who don't show a profile picture.

See it elsewhere