'Meme' is obviously quite a new word, but was the simple, overly relatable joke format around in some way back then?
To be extra specific: I'm asking about Western Europe, between the 12th century and the 13th century.
My answer would be marginalia, here is a link to "recent" postings considering this topic:
https://www.reddit.com/r/AskHistorians/comments/4beef7/what_is_up_with_these_murdering_medieval_rabbits/
If there is a more recent collection feel free to remove this.
edit1: Snail fighting as one of the stranger examples of medieval memes: https://www.reddit.com/r/AskHistorians/comments/3tva6h/why_are_there_so_many_medieval_paintings_of/