Sentence:  "Then somebody told a story about the Swedish Majesty's last sojourn in Norway. There, at a railway station, Oscar ran against a <WSD>crusty</WSD> old farmer who thought himself a lot better than a mere king and kept his hat on." 
Meaning of the word marked with <WSD> tags:  Short-tempered and gruff but, sometimes, with a harmless or benign inner nature.