Which word completes both insults "thick as a ___" and "one ___ short of a load"?

"Bicycle Wheel", "Fountain" and "Nude Descending a Staircase" are works by which artist? Which auction house held its first sale in London in 1744? On a prescription, the abbreviation "b.i.d." tells you to take a medicine how many times a day? In "The Devil's Dictionary," Ambrose Bierce defined which event as "the first and direst of all disasters"? London and Sault Ste. Marie are cities in which Canadian province? President William McKinley's portrait appeared on which large U.S. bill, last printed in 1945? Which brand's Whitestrips tooth-whitening product first hit store shelves nationally in 2001? Which building appears on the back of the U.S. $5 bill?