Meaning
What does Shut mean?
Shut refers to the caption of a photoshop edit of the Inhaling Seagull meme, with an OK hand emoji sealing the seagull’s mouth tight.
The meme is most often encountered as an image macro or a reaction image.
Origin
What's the origin of Shut?
The original video, featuring the Inhaling Seagull was uploaded to YouTube by user Dimaniztlt on July 17th, 2012.
It became an exploitable image macro in 2017, starting from Twitter, spreading all over the internet.
The first case of “shut” was posted into the r/reactionpics subreddit by Reddit user u/Energizer357 on June 27th, 2019.
Spread & Usage
How did Shut spread?
The format would soon appear on a number of subreddits, including r/me_irl, r/memes and r/dankmemes, paired with a variety of captions.
Apart from Reddit, the meme format would also be reposted on sites such as Imgur or Twitter.

External resources
- Know Your Meme – Shut Seagull