Obese, resilient, lethargic, and often self-righteous women who work in an office environment that make daily life annoying for all they encounter. Office cows are generally very chatty and love to gossip with fellow bovine. They are commonly found in workplaces with cubicles, or long counters with multiple serving lines such as the DMV. No matter what one's goal is when trying to resolve an issue with an office cow, the insolent heifer will obfuscate things to the point of insanity.
The receptionist in the movie "Office Space" who repeatedly answers the phone saying "Corporate accounts this is Lanina speaking... just a moment" is a PRIME example of an office cow. So are the despicable gluttons found at the DMV who always contest your knowledge despite how thoroughly you've researched any given material simply because they've spent half their miserable lives behind that counter and, I quote "have been doing this since before you were born"... And you still can't get it right you ignorant slob!!!!