A man walks into his doctor's office and sits down in the waiting room. While he is waiting his turn to be seen, a casual acquaintance walks in and sits down next to him.
The newcomer asks "W w what are yyy you ddd doing here?"
The man replies, " I am waiting to see the doctor."
"W wwhy dd do yyy you wwant to sss see hhim?"
The man replies, "Well, if you must know, I have a prostate problem."
"A pp prostate ppp problem, wwhat's ttthat?"
"Well, if you must know. I pee like you talk."
Many articles taken from 'A word with the doctor', by Dr. John Windsor.