A body of water that is actually the size of a small pond--easy crossed by an arched footbridge. Usually located on a college campus. Rumors abound about the lost things that are in the bottom of said water--(ie-a car, money, jewelry, Jimmy Hoffa, etc.).
-Did you know that there's a car in the bottom of Beer Lake?
-Yeah--and maybe Jimmy Hoffa, too!
The act of making one, and ONLY one decision, that trumps all other decisions.
In the Quiznos episode of Celebrity Apprentice, Lennox Lewis made only one decision impacting his team when assigned as project manager--proclaming "CHEDDAR" as the cheese for his "Knock-Out" sandwich.