u and ur are informal you and your/you’re

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u and ur are informal you and your/you’re
me: *writes in a tumblr grapholect easily recognized by most who use this hellsite*
them: I have no idea what a grapholect is. I am going to attempt to correct your grammar, because of this, when I'm not even using the same grapholect as you.
me: so ur a pretentious, ignorant, prescriptivist, ableist, piece of trash, i gotchu.