memetisphere 

The realm of memes. Most often used by pretentious asshats on the lookout to craft any sort of asinine and unnecessary neologism without any due regard to creating a fitting metaphor.

My point is that it is a useful concept to have in the memetisphere for right now.

memetisphere by chickant January 15, 2009

Memeosphere 

The memeosphere is the cultural realm in the collective consciousness which all memes inhabit after discovery...

That totally lit up the memeosphere...

Memeosphere by Jeff The Talking Mongoose May 5, 2019

memesphere

meme + sphere the entire human community through which simple or simplified ideas pass quickly, irrespective of the quality or reliability of the idea.
collinsdictionary.com/submission/18080/memesphere

Don't you know 'jomama' from the memesphere?
Look at this new dank I found in the memesphere!
Memelords think themselves as the rulers of the memesphere.

memesphere by Gutur April 5, 2020