Light Bulb - Irishmen

Q: How many Irish does it take to screw in a light-bulb?
A: Two. One to hold the bulb, and one to drink until the room spins around.

Getting a Blonde on the Roof

Q: How do you get a blonde on the roof? 
A: Tell her drinks are on the house.

Fun Facts

It's a little-known fact that before crowbars were invented most crows drank at home.