I have no clue what COB refers to, and it was driving me nuts! After looking it up on Wikipedia, the image of you searching for some of the things listed made me giggle enough that I thought I'd share what wikipedia had to say. I don't know why but the last three are my favorites!
Cob
From Wikipedia, the free encyclopedia
Cob may refer to:
also as a verb, cob(bing) meaning spank(ing)
Any Horse of a small or short-legged, stout variety, such as the Welsh cob.
An adult male swan
The nut of the hazel tree
A bird of the gull family (Laridae)
COB as an acronym may refer to:
Chairman of the board
Chief of the boat, the most senior enlisted crewperson on United States Navy submarines
A grain mix fed to horses and other livestock made up of Corn, Oats and Barley, (See equine nutrition)
Country of Birth
Center of balance
Children of Bodom, a Finnish metal band.
Conan O'Brien, American late night talk show host.