When it comes to letting the world in on the secrets of his heart, he has about as much shrinking reticence as a steam calliope.
P.G. Wodehouse (2012). “The World of Jeeves: (Jeeves & Wooster)”, p.272, Random House

When it comes to letting the world in on the secrets of his heart, he has about as much shrinking reticence as a steam calliope.