1. Cricket.the area of ground around a wicket when it is tacky because of recent rain and therefore does not allow the ball to bounce well.
2. Chiefly Brit.a situation requiring delicate treatment; an awkward situation: In telling his wife that he has to be away for a month in Cannes, he'll be batting on a sticky wicket.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.