A negative adjective used to describe a person or place/event. Originated on the football field of Arroyo Grande High School (a small town in the central coast of California).
That concert was so cob it was just a bunch of teary-eyed emos.
Programmer: "sure, I'll get to that right away" ::what the hell, I guess I better do that right away...I'll look up COBB on Urban Dictionary::
Orkin Man: "Mrs, those aren't spider webs; those are surely cob-webs. Your house is infested with nearly extinct Cobs."