A surprise test; an unexpected examination
[1940s+ College students; pop, ''to announce or produce unexpectedly,'' is found by 1529]
pop quiz: Do you know the difference between a stock and bond?
Mark McKinnon examines why it's so hard change the tone in D.C.—and offers a pop quiz on hopeful presidential statements.
pop quiz: How many of the top 15 highest-U.S.-grossing movies of all time—adjusted for inflation—star comic-book characters?