Here are some randomly selected joke topics
Police
Police Officer: Why are you driving in a bathing suit?
Motorist: I'm in a car pool.
Monkeys
What do monkeys sing at Christmas?
Jungle bells, jungle bells...
Dead
Ten year old's response to question, 'When dead, what do you want to be remembered for?': `Ever.'
Doctors
Doctor, doctor, what's the best cure for water on the knee?
A tap on the ankle.
Cars
What do you call a person who draws amusing pictures of motor vehicles?
A car-toonist.
Blondes
Q: What do you call a blonde in an institution of higher learning?
A: A visitor.
Sail
Did you hear about the stupid yachtsman who had his arm cut off so that he could sail round the world single-handed.
Girlfriends
My new girlfriend has lovely long brown hair all down her back. It's just a shame that she doen't have any on her head.
The Bell
Knock, knock.
Who's there?
Ammonia
Ammonia who?
Ammonia little girl and I can't reach the bell.