The "naja" emote depicts a blue cartoon face with a skeptical or contemplative expression. It features one wide eye and one half-closed eye, with a hand (or finger) placed thoughtfully on its chin. This emote typically conveys skepticism, doubt, or a moment of consideration.
In Twitch chat, it's used to express mild disbelief, thoughtful consideration, or a "hmm, not sure about that" reaction to something said by a streamer or another chatter.
The "naja" emote appears to be derived from a blue cartoon emoticon design. The exact origin is difficult to pinpoint without access to search tools, but it's likely part of the third-party emote ecosystem (such as 7TV, FrankerFaceZ, or BetterTTV) rather than an official Twitch global emote.
The name "naja" may be related to the German expression "na ja" which translates roughly to "well" or "hmm" in English - expressing hesitation or uncertainty, which aligns with the emote's visual expression.
The "naja" emote is commonly used in the following contexts: