My best friend's Mom

When I was a sophmore in high school my best friend drove a '77 Chevy Blazer that I rebuilt the engine for. It had a set of glasspack mufflers that were pretty much wore out. One day he brought his Mom with him for a visit since my Mom and his Mom would go walking for exercise while the two of us did what k**s do at that time, which is watch t.v. and hob nob. His Mom wore a pair of "old ladies shoes" because she dressed out at about 250+ pounds. When they got ready to leave, my friend's Mom had the brilliant idea that she would drive home. She got herself wedged behind the wheel and hit the key, and the Blazer roared to life. She hit the gas,"WWWAAAAAAAAAPPPPAAAHHHH! WAPPPAAHHHHH!" She was like a k** in a candy store! She grinned and put to the floor, "WWWWWWWWWWWWWWWWWWWWWPPPPAAAAAAAAAAHHHHHHHHH!!!!!!!!!!" All the while, I was mezmerized by her right foot going to the floor. Then she started revving it without mercy. "WWWHHHHHAAAPPPPAAAHHH! WWWWWHHHAAAPPPPPAAAHHHHH!! RRRRRRRRRRRRWWWWWWAAAAAPPPPAAAAHHHHHH! WWWHHAAAPPPP!! WWWWWRRRRRRRRAAAPPPAAAHHHHAAAAAHHHHH! I looked down at the front of my jeans and it was COVERED with cum that had soaked through them. Thankfully, no one had noticed. The next day, she came over to the house and his Mom and my Mom went for a walk like normal. But then they decided to watch a movie and my friend's Mom took her shoes off by the back door. These were the same "Granny" shoes that she had revved the mighty Blazer with. When they were a couple minutes into their movie, I lay with my back against the back door, my pants around my ankles, and her right shoe against my dick, revving my dick like she had revved that Blazer. I was getting REALLY into it, but evidently she had the urge to go to the bathroom. The way my house was configured, it has a living room at the end of a hallway. The back door is at the other end, with the bathroom at the end of the hallway about five feet from where I lay jacking off with her shoes. At first we surprised each other, but I figured I was already caught, why hide it? She stayed in the bathroom for a few minutes and when she came out she said, "Are you having fun?" The only thing I could think to say is I made revving noises. She stayed there watching me until I exploded all over myself and then she said, "If I would have known that my revving session would have turned you on like that, I would have worn my high heel boots!" A couple of days later, she wore the high heel boots and drove my friend's Blazer. And the whole process repeated itself.