May get explicit :P

A man goes to the dildo shop to buy his wife a dildo, he asks one of the clerks: I'm going away on a business trip and i need something for my wife to pleasure herself with while i am gone? So the clerk says, you should get her the magic dildo, all you have to do is say something like "dildo, pussy" and it will go in her pussy. So the man buys the magic dildo...

He gives the dildo for his wife and tells her how to use it, but doesn't tell her how to stop it. So she uses it and she cant figure out how to stop it and its starting to hurt, so she decides she needs to go to the hospital. While shes driving shes swerving and gets pulled over...

The cop comes up to her window and asks her whats the problem and she explains to him about he magic dildo and he says, magic dildo my ass!...