What is the meaning of Cobby?

Stocky.

Compact with short bushy leaves.

Stout; hearty; lively.

Obstinate; headstrong.

Arrogant.

Starchy and tough like a corncob rather than sweet and juicy like the kernels of corn.

Poorly made; rough and unfinished.

Forming hard clumps.

Uneven or lumpy.

Source: wiktionary.org