A Jewish boy was walking with his girlfriend...

A Jewish boy was walking with his girlfriend on the grounds of his father's house. His father was a successful doctor, and was carrying outa circumcision in the on-site surgery. As they were walking, they hearda scream and a foreskin flew out of the window and landed at the girl's feet."What's this," she asked."Taste it," he replied, "If you like it, I'll give you a whole one!"