After eating an entire bull, a mountain lion felt so good he started roaring. He kept it up until a hunter came along and shot him.
The moral: When you're full of bull, keep your mouth shut.
Here are some randomly selected joke topics
Human
To err is human, to moo bovine.
Barman
What did the barman say when Charles Dickens ordered a Martini?
Olive or twist?
The Internet
Who surfs the Internet and goes, 'Choo, Choo'?
Thomas the Search Engine.
Baby
Why is an old car like a baby?
Because it always has a rattle.
Chocolate
Knock, knock.
Who's there?
Urchin.
Urchin who?
Urchin has some chocolate sauce on it.
Christmas
What is the difference between the Christmas alphabet and the normal alphabet?
The Christmas alphabet has Noel.
Guy
What kind of a guy was Humpty Dumpty?
He was a good egg.
Insects
What did one insect say to the other?
Stop bugging me.
The Ocean
Why is a Christmas pudding just like the ocean?
it's full of currants!