slape
adj- The Princess [Victoria] was running about one wet morning on the terrace, when the gardener warned her to be careful, as the ground was "slape." She turned and asked: "What is slape?" At that moment her heels flew up and she sat down suddenly on the slippery ground. "That is slape, miss," replied the old servant.1901, Marquis of Lorne, V. R. I. Her Life and Empire: