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

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