Sentence:  As neither of them said “No,” he opened the will, and found that the old lady had left all the accumulated scrapings of a long life of industry to her son William, to aid his “great abilities” in promoting the honour of the family. [. . .] “That'll do, Smugs,” said Bill, and then turning to his brothers, he observed. “Just the <WSD>tippy</WSD>, for I was cleaned out. [. . .]” 
Meaning of the word marked with <WSD> tags:  In the height of fashion, excellent, cool.