He pulls over to the side of the road, picks out a nice juicy looking pumpkin, cuts the appropriate size hole in it, and begins to screw the pumpkin. After a while he is really into it, and doesn't notice the police car pulling up.
The cop walks over and says, “Excuse me sir, but do you realize that you are screwing a pumpkin?”
The man looks at the cop in complete horror, thinks fast and says, “A pumpkin? Is it midnight already?”
******************************************************************************************