#247544 - I thought, that she was distracted by the damn movie, but then I caught her a couple of times, peeking out of the corner of her eyes at my dick. But she was my grandmother! Holy crap! And as I thought about the implications, inevitably an image formed in my mind - of Gran, lying on her back, legs spread, pushing the thing inside her wrinkled old puss. It began humming and vibrating in my hand.