Blonde jokes

What is the difference between a smart blonde and a UFO?

There have been sightings of UFO's.

What is the difference between blondes and traffic signs?

Some traffic signs say stop.

How do you get a blonde on the roof?

Tell her drinks are on the house.

Why did the blonde tip-toe past the medicine cabinet?

So she wouldn't wake up the sleeping pills.

What do you call a blonde with 2 brain cells?

Pregnant.