Maybe "Crank my Victrola" -- which was sureely a fad when it was intyroduced -- so there would be music to dance to?

Another early 20th century "fad" that needed to be cranked was an automobile...so maybe that?

When I met him (which was admittedly when he was quite elderly), Jester Hairston did not seem like someone who would insert suggestive OR scatological lyrics into the middle of what otherwise looks like a children's song.

Claire