I gave my mother-in-law a waterproof, shockproof, anti-magnetic, unbreakable watch. She went and lost it.
Here are some randomly selected joke topics
Elephants
What do you get if you cross an elephant with a fish?
A pair of swimming trunks.
Ghosts
What is a ghost-proof bicycle?
One with no spooks on the wheels.
Doctors
Doctor, Doctor.
I can't stop sneezing. What can you give me?
A tissue?
Oh no, it's happening to you as well.
Doughnut
Knock, knock.
Who's there?
Duncan.
Duncan who?
Duncan your doughnut again?
Teachers
Old teachers never die, they just grade away.
Scottish
What is the name of the unhappy range of mountains in Scotland?
The Grumpians.
Polar Bears
Hear about the polar bear who tried to eat a penguin?
He couldn't get the wrapper off.
A Bakery
Why did the lazy man apply for a job in a bakery?
So he could just loaf around all day.
Wedding Anniversary
Each year on his wedding anniversary he goes down to City Hall in the hope that his marriage license has expired.