Meaning
What does 5Head mean?
5Head is a variant of one of the original emotes created for the streaming website Twitch.tv.
The emote features Cadburry with an enlarged forehead and distorted version of the original emote 4Head, very similar to the DreamWorks character called Megamind.
The emote can be used to react to situations where the streamer makes a great play on Twitch.tv, indicating “high intelligence” or to mock one for misplaying.
Origin
What's the origin of 5Head?
Based on a picture taken of Twitch.tv streamer called Cadburry (real name unknown), the emote was uploaded to Twitch.tv as part of the FrankerFaceZ collection in 2018, which is a browser extension that enhances your viewing experience on the site by adding many new unique emotes, chat features, etc. to your liking.
Spread & Usage
How did 5Head spread?
Since its a variant of an original Twitch.tv emote, it has been very popular on the site and widely used on many streamers’ channels, such as xQc and m0xyy.
As of 10/12/2019 according to the website StreamElements, 4Head is the 28th on the list of most popular/used emotes on the website Twitch.tv, making it one of the more popular emotes.

External resources
- Know Your Meme – 5Head