Here are some randomly selected joke topics beginning with the letter 'Z'
Zombies
Why was the zombie awarded a medal?
Because he was dead-icated!
Zap
When you send a lazergram don't forget the Zap code.
Zoo
What is a zookie?
A key to the zoo.
Zebra
What do you get if you cross a zebra with an ape man?
Tarzan stripes forever.
Zebras
What is red and black, red and black, red and black?
A zebra with sunburn.
Zebras
Why was the zebra made leader of the animal army?
Because he was the one with the most stripes.
Zombies
Why do zombies always look exhausted?
Because they are dead on their feet.
Zip code
He's so stupid, he tried to find the zip code for Lincoln's Gettysburg Address.
Zebra
What is black and white and has sixteen wheels?
A zebra on roller skates.