I went to our local amusement park with some friends. A waterpark was attached, so we spent part of the day in the wave pool, then decided to hop on some rides.
One of the rides was like a Farris Wheel but had cages that flipped inverted. There were three of us, but only two could fit in a seat, so I lost out and had to ride alone or with a stranger.
We waited in line for our turn. The line moved pretty slowly.
Finally, it was our turn to board. My friends got in first, and I waited for the next car, expecting to ride alone.
I climbed in, then, to my surprise, the ride operator steered another guest into my cab. It was a young woman about my age.
The woman was pretty but not beautiful. Thin, but not skinny. She must have also been at the water park because she wore a two-piece bikini and sandals.
"Hi!" she said, in a friendly way, as she climbed into the cage with me.
The cage only had one seat, and she would have to sit in front of me, between my legs, almost in my lap. "Cozy," she observed.
As soon as the door closed, the cage moved free and tilted back so she slid firmly into my lap. The ride moved briefly, then stopped so the operators could load the next group. We swung a little more as it did, so she was almost lying on top of me. She felt pleasant shoved against my crotch. I didn't have anywhere else to put my hands, so I gripped her legs.
It was a lot more intimate than I expected with a stranger. I felt myself respond and harden.
"Oh!" She exclaimed, "You must be happy to see me!" She joked
As the ride moved up, the cage swung forward and back, pressing her against me and then away. On the second swing, she slid back against my erection, poking her in the small of her back.
She reached back to feel what was poking her and grabbed my erection through my trunks.
"Whoa! You are really hard!"
I was surprised when she reached into the top of my swim trunks and popped the head of my dick over my waistband! I was still holding her legs and body as the cage swung. Several more groups had loaded by now.
She pressed my erection down, so my dick pressed against the small of her back and down her ass cheeks. As she slid back, my dick slid between the crack of her ass. It wasn't entering her, but it still felt amazing. I just let her play.