A lorry driver is having breakfast in a caff with a mate. He tells his mate
"I gave a lift to a witch yesterday"
"Cor", said the mate, much impressed, " how did you know she was a witch ?"
"Well , " the driver replied, " I saw her on the side of the road, thumbing for a lift, so I picked her up and we drove on for a mile or two. Then she put her hand on my knee, and instantly I turned into a
lay-by."