Definition of grinfucking from feld's blog: “please don’t grinfuck me by saying how wonderful the talk was as you think in the back of your mind ‘wow – Feld is

Definition of grinfucking from feld's blog: “please don’t grinfuck me by saying how wonderful the talk was as you think in the back of your mind ‘wow – Feld is a real moron – he totally missed the point on the blah thing.’”