Sentence:  The writer had just entered into his eighteenth year, when he met at the table of a certain Anglo-Germanist an individual, apparently somewhat under thirty, of middle stature, a thin and <WSD>weaselly</WSD> figure, a sallow complexion, a certain obliquity of vision, and a large pair of spectacles. 
Meaning of the word marked with <WSD> tags:  Resembling a weasel (in appearance).