Here are some randomly selected joke topics
Barman
Two fonts walk into a bar. The barman says to them, "Get out. We don't serve your type in here."
Clocks
This bloke said to my brother, 'I think I'm a clock you know.'
My brother said, 'Well don't get wound up about it.'
Martians
Why are Martians green?
They forgot to take their travel sickness tablets before leaving Mars.
Locked
Knock, knock.
Who's there?
Doris.
Doris who?
Doris locked that's why I'm knocking.
A Horse
What is drawn by a horse and delivers boxes of chocolates?
Cadbury's Milk Dray.
Lawyers
What is the difference between a tick and a lawyer?
The tick stops draining you and drops off after you're dead.
Debate
Debate about hanging suspended
Water
Knock, knock.
Who's there?
Water.
Water who?
Water way to answer the door.
Experts
Experts Are Sure The Dow Will Either Rise Or Decline