A flat-chested young lady went to Dr. Smith about enlarging her
breasts.
Dr Smith advised her 'Every day after your shower, rub your chest and
say, 'Scooby doobie doobies, I want bigger boobies!'

She did this faithfully for several months!
To her utter amazement she grew terrific D-cup boobs!
One morning she was running late, got on the bus, and in a panic
realized she had forgotten her morning ritual.
Frightened she might lose her lovely boobs if she didn't recite the
little rhyme, she stood right there in the middle aisle of the bus, closed
her eyes and said, 'Scooby doobie doobies, I want bigger boobies.'

A guy sitting nearby looked at her and asked 'Oh! Are you a patient of
Dr. Smith's?'

'Yes I am. How did you know?'

He winked and whispered, ' Hickory dickory dock...'