Unsure about your instance, might just have been the name the creator went with.

It’s part of a federated series of server instances running software such as Lemmy, Piefed, or Mbin/Kbin. Each provides a similar experience with some slight differences between each and each server running one of these are able to interact with each other.

Lemmy and Piefed offer a Reddit like experience

Kbin/Mbin combines magazine style posts with thread posts sort of similar to tumblr

There’s also some integration with Mastodon, a twitter like experience.

This article on Lemmy helps explain how it all works.

But yeah there’s a number of communities such as !memes@lemmy.world !lemmyshitpost@lemmy.world !funny@sh.itjust.works that you might like if your looking for that type of content.

You’ll notice there will be multiple communities by the same name, and that’s because anyone can open a community on an instance and some people prefer to run their own memes communities and do. There’s lots of options here!