Mumpish

You mumpish beefalo (you sulky old cow).

He had written to Doctor South and had in his pocket a telegram from him received that morning: "Sacking the mumpish fool. When will you come?"

I wouldn't mind being sick if I could look interesting, but mumps! The funny thing is, I haven't had time to get them from these children and must have been exposed before. […] [S]omehow I was feeling far from well, myself, and when Dr. Weston came about ten o'clock he broke the dreadful news that I was mumpish too, and sent me off to bed.