Far as I'm concerned, if it was funny 3 months ago, it's still funny. If anything, that's how memes are supposed to work: by being running gags/broad-scale inside jokes that form part of the culture of a given community.
I'm definitely not just saying this because I got called out in the last topic for posting a meme that had already been posted in that topic.
This is my signature. It exists to keep people from skipping the last line of my posts.