Yes, it DOES exist, this is the infamous Pun Puns section! It may mess with your head...

Have you ever tried to write your own puns?
It's a fairly difficult pun-dertaking!
What did they use to set off the amazon warehouse fire?
Amazon kindle.
WOOD you tell give some wood puns?
Puns make me numb, but math puns make me...
What did the pun mom say to the new pun dad?
We have a pun in the oven!
Why was the pun a bad comedian?
He never got the pun-chline right!
How were these puns about puns?
They were pun-questionably pun-fortunate!
What a pun's dream job?
To be an acu-pun-cturist!
Boss: "How good are you at PowerPoint?" - Me: "I Excel at it." - Boss: "Was that a Microsoft Office pun?"
Me: "Word"
Do you have something against puns?
No, I'm not homophonic!
What type of apartment does a pun live in?
The pun-thouse!
Why do thieves have a hard time understanding puns?
Because they take things literally!
If you can think of a better fish pun than me
Then let minnow.
Why did the pun fail his English class?
He didn't use proper pun-ctuation!
What happened when the pun misbehaved in school?
He was pun-alized with detention!
Why did the two puns go to camp together?
They wanted to be pun-kmates!
What do you call a broken can opener?
A can't opener
Did you expect to laugh at puns?
No, but they've groan on me!
What's a pun's favorite movie?
It's a Punderful Life!
How would you describe a pun about a pun?
They're pun-ishingly bad!
What did the pun say to his annoying colleague?
You're being pun-reasonable right now!
Some say that puns aren't very funny, while others take them very seriously...
I guess the one thing we can all agree on is that puns are no joke.
I've already heard seven cancer puns today.
If I hear tumor it's gonna benign.
What's a pun's favorite love song?
"My Punny Valentine!"
What's a pun's best trait?
His pun-ctuality!
How do knights communicate?
They use chain mail.