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1.
n. One whose job it is to observe and correct the improper use of grammar.
Ex. 1
Grammar Cop: How are you?
Person 2: I'm good.
Grammar Cop: You mean you're "well."

Ex. 2
Student: Can I go to the bathroom?
GC: I don't know, CAN YOU?
Student: MAY I go to the bathroom? (rolls eyes)
GC: Yes, you MAY.
by Brocrastinater September 15, 2009