I was thinking: "Who holds the record for the most wins on the PGA Tour?" Almost as good as "What is a spoon used for"? Or...how about "What is a Stymie?"
The "Spoon" was a name given to the club that we now know as the 3 or 4 wood. A lot of clubs were given names, usually old Scottish words, before golf clubs started to be numbered for example:
Baffy spoon - the old term for a wooden club, again similar to the 3 wood and given the name because of its lofted shape.
Cleek - equivalent to a 2 iron, it had a narrow thin face.
Mashie - equivalent to the 5 iron
Mashie Niblick - equivalent to the 7 iron
Niblick - equivalent to the 9 iron and generally used to get out of the rough
Spade Mashie - deep faced club used for bunker play before Gene Saracen invented the 'sand wedge' in the early 1930's.
You sometimes read these names when looking through old golf books or magazines particulary the great short golf stories written by PG Wodehouse. The venerable golf commentator Peter Alliss will throw in an old club reference for fun when he is doing his stuff on the box.
Or...how about "What is a Stymie?" 
