"What`s the difference between Margaret Thatcher a..." joke

What is the definition of eternity?
Four blondes in four cars at a four way intersection.

"How I Met Your Mother", is the story Chuck Norris tells to everybody.

Once Chuck Norris had a boner.
Their were no survivors

Two blondes walk into a bar. You'd think at least one of them would've seen it.

Q: What's the worst trick you can do to your blind brother?
A: Leave the plunger in the toilet