And if Dr. Bill can't find any entendres...

I, an iggerunt USn, had always assumed that sticky wicket referred to the thang the bowler was trying to knock over to get the batsman out; the ball would hit the wicket but it wouldn't fall because it was sticky. Imagine my surprise, when reading The Don's excellent Farewell to Cricket, to discover that a sticky wicket was deemed an advantage for the bowler.