I could see the full glory of her clitoris. Her eyes were watching the erratic flow of her urine and she was most often unmindful of my passing glance... We played hide-and-seek with other siblings in our family on moonlit evenings and we hid together whenever we're not "it"; she sought me out or I looked for her and together we hugged, caressed and kissed and I had chances of mashing her big tits in the darkenss. In the middle of one night, she crawled to me and we started our first serious. My brother left town for business and when he leaves he's away for a while, my sister in law is a short BBW with long wavy brunette hair, glasses and big 38 DD Tits (I know that by looking at her bra on the towel rack after she took a shower) and thick muscular legs and calves that she loves to show off by wearing short shorts. I like to fantsise about fucking her while shes wasted and my brother is away on buisness, id imagine i was on top taking control pounding her hard and sucking her tits. “Fuck off, get off me fuckface" You squirm beneath me, your free arm flailing behind you trying to push me off. I push your shoulders down and hold you there with my left hand and now my right hand begins to work on your arse. I slap your right cheek, leaving a bright red hand-print. I grab your arse hard, pulling and groping as your struggling continues against me serving only to provide more skin for my cock to slide against. I pull your thong to one side and slide my two fingers through your. Both Barry and Vinny were attending, as was Alec obviously, the guy who would had felt me up the day we had arranged this, when I went to the cinema with Jim.Jim told me that Alec thought I was a complete cock tease and that he was looking forward to seeing me all dressed up amongst a crowd of men, to see how I would react to the pawing and handling.I asked, “What has he told his friends?”He said, “Don’t worry love I have boasted that they will see what a dirty, fucking sexy tart you are.”.