Here are some randomly selected joke topics
Food
Knock, knock.
Who's there?
Goblin.
Goblin who?
Goblin down your food will give you a tummy ache.
Cats
Why is your cat so small?
He only drinks condensed milk.
Fish
Which part of a fish weighs the most?
The scales.
A Pack Of Cards
My friend said, 'That bloke over there thinks he's a pack of cards.'
My brother said, 'I'll have to deal with him later.'
Lawyers
Q: What's the difference between a lawyer and an onion?
A: No one cries when you slice up a lawyer.
Giraffes
What do you get if you cross a hedgehog with a giraffe?
A really long hairbrush.
Programmers
Programmer - A red-eyed, mumbling mammal capable of conversing with inanimate objects.
A Postage Stamp
What stays in a corner but can travel all around the world?
A postage stamp.
Vampires
What is a vampire's favorite dance?
The fang-dango.