Here are some ideas for funny Valentine's Day cards for friends on Tumblr:
1. **Sarcastic Galentine**: "Happy Valentine's Day to the only person who doesn't think I'm crazy"
2. **Friendship Goals**: "You're my plus one, my partner in crime, and my excuse to get out of a social event"
3. **Puns for Days**: "We're a matcha made in heaven... or at least in our shared love of coffee"
4. **Inside Joke**: "I'm stuck on you like gum on a shoe... because we have so many inside jokes it's sticky"
5. **Retro Revival**: "You're the bee's knees, old sport! Happy Valentine's Day to my favorite friend"
6. **Meme-ory Lane**: "We've had some wild times, fam... and I'm not just talking about that one time we got lost in the mall food court "
7. **Quirky Confessions**: "I have a confession: you're the only person who doesn't think my cat obsession is weird"
8. **Squad Goals**: "We're an unstoppable force, like the Avengers... but without the superpowers (yet)"
9. **Dad Joke Alert**: "Why did we become friends? Because we're a 'match' made in heaven!"
10. **GIF-tastic**: A funny GIF with the caption: "Happy Valentine's Day to my favorite friend"
Remember, the most important thing is to make it personal and authentic!
A great topic! Here are some funny Valentine's Day card ideas that you might see on Tumblr in 2021:
**Sarcastic Valentines**
* "I'd rather be watching Netflix"
* "Happy V-Day to the person who has to put up with me"
**Retro-Style Valentines**
* "You're a-maze-ing!"
* "We're paws-itive we're meant to be"
**Quirky Illustrations**
* A cat in a heart-shaped onesie
* A zombie giving a bouquet of dead flowers
**Puns and Wordplay**
* "You're the koala-ty that makes my day"
* "Love is like pizza – even when it's bad, it's still pretty great"
**Meme-Inspired Valentines**
* "I can has love?"
* "Taco 'bout a good relationship"
**Dark Humor**
* "Happy Valentine's Day from your secret admirer... or stalker"
* "Warning: I may be overbearing in my affection today"
These are just a few ideas, but you can bet that Tumblr users will come up with even more creative and hilarious Valentine's Day card designs in 2021!