Here are some randomly selected joke topics
Cows
What do you call a cow with only three legs?
Lean beef.
Cows
Q: What do you call a cow that's just had a baby?
A: Decalfinated
Dentists
I wanted to be a dentist, but I didn't have enough pull.
Fish
Where do fish like to sleep?
On a waterbed.
Chicken
What do you call a chicken that haunts houses?
A poultrygeist.
Paranoid
Paranoids are people, too they have their own problems.
It's easy to criticize, but if everybody hated you, you'd be paranoid too.
Cowards
Cowards rule - If that's OK with you
Doctors
Patient: Doctor, my stomach really hurts!
Doctor: Oh stop bellyaching will you!
Sheep
How many sheep does it take to make a woolly sweater?
I didn't even know they could knit.