!mathmemes
Memes related to mathematics.
Rules: 1: Memes must be related to mathematics in some way. 2: No bigotry of any kind.
It's available in the API and in some apps. I'm using Memmy for iOS right now and I get both.
FYI - 42 downvotes and 320 upvotes so far = 278 (87% ratio of upvotes/downvotes)