A person who stays up all night wondering if there is a dog.
No, a fence.
A Cheese Kurd.
It was raining cats and dogs
He wears a coat and pants.
A caiman like a wrecking ball.
To get to the other slide.
Because they're Snowden (snowed-in). To all the folks on the East coast, stay safe and warm.
A person who stays up all night contemplating the existence of dog.
Staying up all night wondering if there really is a dog.
He finishes her drink EDIT: Apparently this is Conan's joke, so all credit goes to him. I just heard it from a friend of mine and I had no idea.
Because she can't drive for sh*t.
A person who stays up all night wondering whether or not there is a dog.
Lay awake, contemplating the existence of Dog.
Someone who stays up wondering if there is a dog.
Someone who stays up all night wondering whether or not there is dog.
Somebody who stays up all night torturing himself mentally over the question whether or not theres a dog.