An old practice!
An attractive young girl, chaperoned by an ugly old lady, entered the doctor`s office. "We have come for an examination," said the young girl.
"Alright," said the doctor. "Go behind that pulled curtain and take your clothes off."
"No, not me," said the girl. "it`s my old aunt here."
"Very well," said the doctor. "Madam, stick out your tongue."