Here are some randomly selected joke topics
People
Who do you call the two people who cause the most embarrassment at the annual school parents' evening?
Mum and dad.
Airplane
Something Went Wrong in Jet Plane Crash, Expert Says
Skeletons
What do you call a skeleton who doesn't want to work?
A lazybones.
Relatives
Where there's a will there's a relative
Banana
Why did the banana visit the doctor?
It wasn't peeling well.
Knock Knock
Knock, knock
Who's there?
Sizzle.
Sizzle who?
Sizzle hurt me more that it hurts you.
Consultants
How many consultants does it take to change a light bulb?
We don't know. They never get past the feasibility study.
Stupid
Calling you stupid would be an insult to stupid people.
Teachers
Teacher: Billy, why have you not given me your homework?
Billy: I made it into a paper aeroplane and someone hijacked it.