Grammar Man

Someone who corrects another persons grammar but then turns around and messes up themselves.

(Guy 1): Man this is so fun.
(Guy 2): So much fun you mean, you am welcome.
(Guy 1): Thanks Grammar Man.

Grammar School Man

Grammar School man is the hardest zesser dem, but also there are a lot of 'wanna be ' zesssers.

Those Grammar school man does horn.