A blonde sees a posting on a bulletin board that says, "Cruise -- Only $5."
She goes to the address on the back and hands the receptionist $5. The receptionist nods to a burly man reading a newspaper. He walks over to the blonde and knocks her unconscious.
The blonde wakes up tied to a log floating down river. To her right, she sees one of her blonde friends. "Do you think they're going to serve food on this trip?" she asks.
The other blonde replies, "They didn't last year."