"faiz: i spent a good half-hour typing out an argument for nothing, because someone used ad graminum and pointed out my "your" that should have been "you're"
an attack on an opponent's grammar to completely discredit his/her argument
""faiz: i spent a good half-hour typing out an argument for nothing, because someone used ad graminum and pointed out my "your" that should have been "you're"" What is the definition of "ad graminum"?