Here are some randomly selected joke topics
Teacher
I went to high school so long that the other students brought me apples . . . they thought I was the teacher.
Pistachios
Knock, knock.
Who's there?
Cash.
Cash who?
No, thanks, I prefer pistachios.
Dead
Ten year old's response to question, 'When dead, what do you want to be remembered for?': `Ever.'
License
Don't you need a license to be that ugly?
Magnet
What did one magnet say to the other magnet?
You are very attractive.
Computers
What do computers like to eat when they are hungry?
Chips.
Trains
What type of trains do ballet dancers ride?
Tutu trains.
Zebras
Why was the zebra made leader of the animal army?
Because he was the one with the most stripes.
Drinkers
Old drinkers never die.
They just get plastered.