Once upon a time, a four-year-old boy was visiting his uncle and aunt.

Once upon a time, a four-year-old boy was visiting his uncle and aunt. He
was a very outspoken little boy and ofttimes had to be censured to say the
right thing at the right time. One day at lunch, when his auntie had
company, the little boy said, "Auntie, I want to tinkle." Auntie took the
little boy aside and said, "Never say that, Sonny. If you want to tinkle,
say, "I want to whisper.'" And the incident was forgotten.

That night, when Uncle and Auntie were soundly sleeping, the little boy
climbed into bed with them. He tugged at his uncle's shoulder and said,
"Uncle, I want to whisper." And Uncle said, "All right, Sonny, don't wake
Auntie up. Whisper in my ear." The little boy was sent back to his parents
the next day.
-- George Jessel