A man and a giraffe walked into a bar. The man asked for a drink and one for the giraffe. They drank it and had another one, then another and another. The man got up and went to walk out, the giraffe tried to follow and fell over. The bar man said don't leave that lying round here and the man said, it's not a lion, its a giraffe.
Here are some randomly selected joke topics
Horses
The thunder god went for a ride on his favourite horse,
'I'm Thor' he cried.
The horse replied:
'You forgot the thaddle, thilly.'
Waiters
Waiter, waiter, do you have frogs' legs?' 'Yes, sir.'
'Well, hop over the counter and get me a sandwich.'
Mouse
What's grey, has four legs, and a trunk?
A mouse on vacation.
Car
My wife's other car is a broomstick
Boss
Job Applicant: Have you got an opening for me?
Boss: Yes, and don't slam it on the way out.
School
Piano teacher to pupil: Your fingers are absolutely filthy!
Pupil: That's all right, Miss, I'm only playing the black keys.
Uncle
My uncle is man of letters. He works for the post office.
Boxers
How do you get a boxer to laugh?
Start telling a joke and then hit him with the punchline.
Vampires
Why are vampires not very intelligent?
Because blood is thicker than water.