One day during school holidays my mum was visiting her friend so I had the house to myself. Whenever I was home alone I'd get horny and would masturbate. This day I decided to tidy my wardrobe and go through my clothes. After a while I came across a pair of old stretch jeans and decided to make them into shorts to wear around the house, I knew they'd be tight and mum wouldn't let me wear them out. So I set to work with the scissors and after a few minutes I held them up to admire my handy work.
I'd cut them high on the leg and they looked more like bikini pants than shorts. Sliding my skirt off I stepped into them, got them mid thigh and then had to wiggle them up over my bum. I was able to fasten them at the waist but they were so tight. As I took a couple of steps towards mirror I felt the crotch seam ride between my lips and a little jolt went through me. As I stood in front of the mirror I noticed I'd cut them so short at the front that all I could see was the crotch seam pressing into my white panties and my pussy lips bulging each side. Holding the waist I tugged them up slightly making the seam ride deeper into my pussy and grind on my clit. Suddenly my nipples had hardened and my face flushed, laying on my bed I tugged at the shorts, opening and closing my thighs and humping into the seam I saw my panties become dark with my juices until I tugged at that seam grinding it onto my panties until I had a shuddering orgasm.
Those shorts went to bed with me most nights for a long time.