Here are some randomly selected joke topics
Amnesia
What do you get from a cow that has lost it's memory?
Milk of amnesia.
Knock Knock
Knock, knock.
Who's there?
Millicent.
Millicent who?
Millicent me over to borrow some money from you.
Dogs
Why don't dogs like traveling in planes?
They get jet wag.
The Invisible Man
Why did the invisible man look in the mirror?
To make sure he wasn't there.
Carols
A seven year old going to his first carol service demanded indignantly when the collection plate came round, 'You mean we have to pay for this?'
Thieves
Thieves Steal Burglar Alarm
Snakes
What do you get if you cross a snake with a set of building blocks?
A boa constructor.
Succeed
If at first you don't succeed, try management.
Bakers
Why did the baker work overtime?
Because he kneaded the dough.