KNOBBY

Knob″by, a. [[From Knob.]] 1. 1. Full of, or covered with, knobs or hard protuberances. Dr. H. More.
2. 2. Irregular; stubborn in particulars.
The informers continued in a knobby kind of obstinacy. Howell. 3. 3. Abounding in rounded hills or mountains; hilly. Bartlett.