I think you may have tried to change the name to “Jack,” Bung.
From: “The Bartender’s Bible” by Gary ReganPublished by: Harper Collins 1991Library of Congress Catalog Card Number 91-55104JOCK-IN-A-BOX 1 1/2 ounces Scotch1/2 ounce sweet vermouth1/2 ounce lemon juice1 egg In a shaker half-filled with ice cubes, combine all of the ingredients. Shake well. Strain into an old-fashioned glass half-filled with ice cubes. < br>Shaker ”old-fashioned” glass
Mastroianni and Hart