Verb - This is not an acronym
To analyze and systematically pick apart another person's writing for the purpose of making the author look like an idiot.
Pete: Man, did you see the staff newsletter this month?
Thomas: Yeah, Christine really screwed it up again. I can't wait to sit down and GOC it. She's gonna look like an idiot when we show her all the mistakes she made. Who let her print that crap.