My introduction to slips in masturbation.
Most boys seem to go through a period of being aroused by their mothers or their friends' mothers. At 13, seeing my mother in a nightgown would give me a raging hard-on. I would stroke myself to dry orgasms lying in bed thinking of the outline of her tits under the thin material. One night when my parents went out and left me alone at home, I started exploring my parents room. My father had a stash of dirty magazines in a drawer I'd sneak out sometimes, but this night I opened my mother's lingerie drawer and became instantly hard. I fondled her panties and bras, rubbing them against my face. For some reason, I was particularly excited by a plain white silk slip that was in the bottom of the drawer. It was so smooth against my face.
I decided to try it on. I figured it would fit since mother was bigger than I was then. I undressed and put it on, standing in front of her full length mirror. I looked pretty silly with my hard dick poking out in the smooth fabric. The silk felt amazing against my body. I gently rubbed my hands over myself, then began focusing on my cock, gently rubbing it through the silk while I looked at myself in the mirror. As I kept rubbing, the sensation was different than when I usually stroked. There was a stronger feeling inside and my knees were beginning to feel weak.
A small wet spot formed around the head of my cock increasing a little with each stroke. I was shaking from the intense feeling. Suddenly my cock exploded, gushing, dripping down both inside and outside of the slip. My first wet orgasm was the greatest pleasure I'd ever experienced. I hurried back to my bed and started beating off with the slip pulled up and soon was spurting again all over the front of the slip.
Needless to say, I couldn't put the slip back into her drawer, so I stashed it in my secret hiding place where I could get it out for my special sessions. It soon became rather crusty with that musty smell of my cum. I'd have been mortified if anyone had ever found it, but thankfully nobody did (to my knowledge).
That slip was a great pleasure for many years. I still enjoy wearing a slip as a turn-on, though I don't do it very often these days.