Here are some randomly selected joke topics
Elephants
Q: Why are elephants large, grey and wrinkled?
A: Because if they were small, white and smooth they'd be asprins.
Famous Composers
What do you get if you cross a piece of paper with two famous composers?
A Chopin Listz.
Cannibals
First Cannibal: "Have you seen the dentist?"
Second Cannibal: "Yes, he filled my teeth at dinner time."
Oliver Twist
Who wrote Oliver Twist?
How the dickens should I know?
Marry
Wife: To think that I had to marry you to find out just how stupid you are.
Husband: You should have realised that when I asked you to marry me.
A Christmas Tree
What do you get if you cross a pig with a Christmas tree?
A pork-u-pine.
Rain
Coincide: What you do when it starts to rain!
Chickens
What is:
peck, peck, peck, BANG, peck, peck, peck BANG??
A chicken in a minefield...
Pigs
What kind of pigs are you likely to find on the highway?
Road hogs.