A girlfriend of mine who knew whenever her brother was in his bedroom jerking off. She used to call me. I'd race over to her house and we'd sneak into...her bedroom closet. Believe it or not, they had a connecting closet the two of them had to share. She had her clothes on one side, his on the other. But what her brother never did figure out was, we'd sneak inside, and stand there watching him jerk off while he lay on his bed. That's basically where I got my first exposure to the male penis.". He kicks off his shoes and shirt comes off with ease. He unbuckled his belt unzipped his trousers and began to lower his trousers and underwear together. I kneel down and as i reach over to try to help him his huge monster flops out and hits the back of my hand. "OMG" I say without thinking. I cant help but freeze and stare. I found myself blushing and moving back in bewilderment. "Didn't mean to scare you away darlin. Especially when my pants are down. My back is just as bad as my knee.i will. Just pull up easy and Red will slow down easy. If you tried to get him to turn with your knees and he won't just give a slight tug on the reins in the direction you want to go. Remember, the harder you tug the faster he's gonna turn."Susan pulled slightly on the reins and Red slowed to a stop beside Marnie."That's real good, Susan," Jacob said. "Do you know how the bit inside the horse's mouth works?"Susan shook her head."Well, it's like a pole at the back of his mouth," Jacob continued. "When. Finally, we came down from our orgasms, the guy in the bathroom running water to wash his hands. Gabby leaned in a nibbled my ear, “Damn, that was hot. I came soooooo hard.” We exited the restroom, carefully looking to make sure no one noticed our joint departure. It turned out that only our sister did, and she greeted us with a gigantic smile, telling us she knew exactly what went on in there. Beaming at her, we repeated the story of what happened, but in hushed tones. “No way! If I was in.