Caturday

plural Caturdays

1. InternetSaturday, as the day of the week for posting lolcats or other pictures of cats.

   When he and his wife began to have children, they nicknamed them after Internet memes like the lolcat holiday, Caturday.

   2012, Katherine Losse, The Boy Kings: A Journey into the Heart of the Social Network, Free Press, →ISBN, page 148

   2 more examples

   I had heard of Caturday when I wrote the piece, but I’d understood that it was a proto-lolcats practice that was different from the actual lolcats meme.

   2007 July 16, Lev Grossman, “Lolcats Addendum: Where I Got the Story Wrong”, in TIME, archived from the original on 08 Mar 2016

   Lolcats - images of anthropomorphic felines captioned with mis-spelt web-speak ("im in ur bed zleepin" and so on) - made their first appearance on the site, during its regular "Caturday" slot, but went on to dominate blogs and sites the length and breadth of the internet.

   2010 August 31, Jon Kelly, Jude Sheerin, “The strange virtual world of 4chan”, in BBC News, archived from the original on 22 Mar 2016