How are blondes like computers?
You never appreciate them until they go down on you.
A guy goes up to a girl in a bar and says, "You want to play 'Magic'?"
She says, "What's that?"
He says, "We go to my house and fuck, and then you disappear."
How do you know when your cat's done cleaning himself?
He's smoking a cigarette.
What do you get when you cross a computer with a prostitute?
A fucking know-it-all.