A man goes to the doctors and says, "Doctor, I''ve got this problem, only you''ve got to promise not to laugh."
The doctor replies, "Of course I won''t laugh, that would be thoroughly unprofessional. In over 20 years of being a doctor I''ve never laughed at a patient."
"OK then," says the man, and he drops his trousers. The doctor is greeted by the sight of the tiniest ...