Granny Knows Best. I stay at step-granny's quite often when I'm home from college (what a looker she is), but this particular morning was quite an embarrassment. I don't get a lot of pussy, so I whack off often. I was wanking so hard that I hurt my cock and let out a loud moan. Yep, Granny heard me and barged right in, thinking I had hurt myself. There I was, full staff, with my dick in my hand (I can't deny what I was doing as she caught me), so yes, G...