Joke stolen from: Daily Clean Jokes

Q: Why did St. Patrick drive all the snakes out of Ireland?

A: He couldn't afford plane fare

Q: What do you call a fake stone in Ireland?

A: A sham rock

Q: Why do frogs like St. Patrick's Day?

A: Because they're always wearing green

Q: What does a leprechaun call a happy man wearing green?

A: A Jolly Green Giant

Q: What did one Irish ghost say to the other?

A: 'Top o' the moaning!

Q: How can you tell if an Irishman is having a good time?

A: He's Dublin over with laughter!