Two dwarfs decide to treat themselves to a vacation in Las Vegas. At the hotel bar, they're dazzled by two women, and wind up taking them to their separate rooms.
The first dwarf is disappointed, however, as he's unable to reach a certain physical state that would enable him to join with his date. His depression is enhanced by the fact that, from the next room he hears cries of, "ONE, TWO, THREE...HUH!" all night long.
In the morning, the second dwarf asks the first, "How did it go?"
The first whispered back, "It was so embarrassing. I simply couldn't get an erection."
The second dwarf shook his head. "You think that's embarrassing? I couldn't even get on the bed!"