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some one who tries to correct your grammar when they know they have lost a fight and has nothing else to say or no comeback
"Good god Megan is such a grammar thief, she knows I won this argument, she should just give up"
by BabyLionz April 30, 2012
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Apr 28 Word of the Day
Literally everyone, ever. Including the writer of this definition.
by masokitsune January 17, 2019
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