The Breakfast Club: John Bender's Joke

In The Breakfast Club, John Bender is crawling through the ceiling space back to the library after being locked in the closet. He is reciting a joke to himself.

It goes:

Naked blonde walks into a bar with a poodle under one arm and a two-foot salami under the other. She lays the poodle on the table. The bartender says, “I suppose you won’t be needing a drink.” Naked lady says…

Then he falls through the ceiling. Any ideas of what the punchline ought to be?

Well, the official line (Courtesy of the imdb ) is :

But I suppose if an appropriate punch line can’t be thought of here, it can’t be thought of anywhere!