Have you been scrolling on Instagram or TikTok lately and suddenly seen a weird, blue-tinted Grinch looking super happy? And the text right above his head simply says that feeling when knee surgery is tomorrow?
If you feel completely confused, you are not alone! We have all been there. You are probably wondering why a cartoon character is so excited about going to the hospital. Let’s dive into this bizarre internet trend, figure out where it came from, and see why everyone is talking about it.
Understanding the Joke Behind the Meme
First, let’s talk about the that feeling when knee surgery is tomorrow meaning. Honestly, it means absolutely nothing! And believe it or not, that is the entire joke.
This is a perfect example of absurd Gen Z humor. The joke takes a scary, painful, and dreaded event—like getting major surgery on your leg—and pairs it with someone who looks wildly thrilled about it. The humor does not come from a smart punchline. It comes from the fact that it makes no sense at all. You either find it hilarious, or you just scroll past it in confusion. The real fun is just feeling like you are “in” on the joke.
Where Did It All Begin?
You might think the blue Grinch started this trend, but the that feeling when knee surgery is tomorrow meme actually has a long history. It has bounced around the internet for a few years, swapping characters but keeping the exact same caption.
Here is a quick look at how the characters changed over time:
Eventually, an Instagram creator focused entirely on a blue version of the Grinch (lovingly called “the blinch”). This account locked in the meme format we all know and share today.
Going Viral and Getting Weird
Once the blue Grinch took over, the meme spread like wildfire. Big accounts started noticing. The official Dr. Seuss Instagram even posted a version using Jim Carrey’s Grinch! People also started seeing the meme pop up in their end-of-year Spotify Wrapped stats.
Sometimes, internet users mix up trends, creating bizarre search phrases like that feeling when knee surgery is tomorrow unter yoyo, which just proves how wild and random internet culture can get when memes collide with other viral sounds and slang.
Here are a few major moments that helped this joke blow up:
The Crypto Crash: How Memes Die
So, what happens when a silly joke gets too popular? The adults step in and try to make a profit.
Just like Dogecoin, the crypto community found this meme. Crypto bros quickly created a knee-surgery-themed digital coin. They tried to turn this weird, free piece of internet art into a financial investment.
As internet culture experts point out, this is usually the kiss of death for a meme. Once people try to squeeze money out of a joke, it stops being funny. The magic fades away. Every time someone writes an explainer trying to figure out the joke, we drive another nail into its coffin.
But for now, the blue Grinch is still out there, smiling wildly and eagerly waiting for his operation.

