Here are some randomly selected joke topics
Jeans
Why did the jeans burst into tears?
They felt blue.
Girlfriends
I call my girlfriend 'Laryngitis' because she's a right pain in the neck.
Horse
Did you hear about the horse who became depressed?
He started telling tales of whoa.
Polar Bears
Hear about the polar bear who tried to eat a penguin?
He couldn't get the wrapper off.
Similarity
Any similarity between you and a human is purely coincidental!
Undertakers
Did you hear about the undertaker who buried someone in the wrong place?
He was sacked for making a grave mistake.
Cinderella
What did Cinderella Dolphin wear to the ball?
Glass flippers.
Noisiest
What is the noisiest pet?
A trumpet.
Know
Knock, knock!
Who's there?
Jerry!
Jerry who?
Jerry funny, you know perfectly well who it is!