Individual who is overly concerned with spoken and/or written grammar in mainly, but not limited to, English, often to the point of obsession.Most often,they also happen to be anal high school English teachers.
Kevin: The Parliament are in session as the team work good together.
Ms. Lyssy: Umm no, that's not right. It should be Parliament IS in session, and team WORKS WELL together...
Class: Jeez what a grammar freak, and also, a bitch.