When someone goes out their way to correct everything you do outside of text errors. Goes as far as pronunciation, word usage and proper ways to use slang terms
Guy: Ay man, that party last night was off the hook!
Captain Killjoy: No, its "Hey", the party was "great", and that "man" has a name you know!
Guy: You see, this is why I piss in your apple juice faithfully every week. Take me in for another grammar holocaust and I'm leaving your proper ass home next time.
grammar douche ass-hat