An online library of memes searchable by filters, such as "popularity", "political", "NSFW", etc.
Friend: I need a good meme to comment on this douchebag's wall. He put something up about Trump.
Me: I'll search the memebrary and see what funny political memes are out there!
Somebody who is very fluent in the art of memes. Usually one who prefers the "dank" meme. These people spend most of their free time browsing memes on the internet. Whether it be a video, image, or gif, anybody who considers themselves well versed in memes can be called a Memearianist.
Robert: Dude, try to find a meme I haven't seen before. I bet you can't.
Samuel: I bet 10 dollars I can.
Robert: Go ahead.
----2 Hours Later----
Samuel: I'll give you your 10 dollars tomorrow, you damn Memearianist.
The inability to stop yourself from posting a flow of memes in a group forum.
Friend 1: Dude, Jack just dumped 20 memes in our group chat! He spread his sh!t all over the place.
Friend 2: Yeah, he’s new to the group. He has a bad case of memearrhea.