Then, usually rather suddenly, she would push me off her, get up, walk out of the room, and head down the hall to her bedoroom. I would watch her big ...utt as she went and then jump up and follow. I always came upon her lying face down on her bedsheets, her legs together and her hands working between her legs. I would climb up behind her, pull Mom’s big ass open with my hands, and start licking her asshole. As she pushed back into my face my tongue would go deep into her ass. Sometimes I kept. That's when the girls decided that for my birthday to be official, I had to have a birthday spanking.A spirited struggle ensued, during which Jan's blouse was torn, and I copped some great feels of soft tits before my pants were pulled down. I quit struggling because by that time my cock was getting very hard, so I lay quietly over Jan's lap to conceal my embarrassing condition. Then the girls decided that to be truly effective, the spanking had to be on a bare butt, and they began yanking on. ” Mom gave her a smile which quickly turned into another frown. “I don’t want you getting bored and breaking your fingers by fidgeting while I’m downstairs. Let’s do this...”I guess maybe I do fidget a little when I’m nervous. Sometimes.Alaina’s mom walked over to the desk, passing out of her daughter’s range of vision. “Don’t look over here,” she called. “I’m not going to say it’s a secret or anything, but you’ll regret it if you see this. It’s gross, and I say that as someone who’s operated. My thighs clamped shut around the vibrator and I rolled from side to side. I couldn’t hear Naomi but I hoped she was pleasuring herself while I moaned my approval of her methods. Eventually I calmed down and my breathing returned to normal. I hoped my parents had not heard my activity, but I’m sure they did. That night my sleep was restless. My thoughts were not of Bill but were of Naomi surrounded by rock hard cocks. I woke up tired, sweaty and horny. I had received another email from Bill.