Way back in the early 1990's, I went into at an adult shop. This was the kind of place that had movie booths in the back, where you could pay per minute to watch a variety of different videos. I was feeling kind of horny and decided to go into one. I locked the door, got comfy, popped a couple of dollars in and started watching. I had been in these booths before, so I thought I knew what to expect.
Then suddenly, out of the blue, a long, slender, pale finger poked through a hole in the side of the booth. I had heard about stuff like this before, but never experienced it. So, I nervously asked the person on the other side what they wanted. The very feminine voice from the other side asked me, "What do you think I want?"
Relieved that it was a woman on the other side of the wall, I relaxed a little. Since this was a new experience for me, I was still a little nervous. I stammered, "Mm, mm, my cock?" She answered, "yes."
I was already stiff from watching some of the videos. I stood up, with my pants and underwear down to my knees. Then I slowly put the tip of my cock through the hole. She said, "Don't be shy. You're gonna like this." So, I pressed myself against the wall, letting the entire length of my cock go into the glory hole.
I jumped a little when I felt a cold hand grab hold of my cock. Thankfully, I felt her warm, wet mouth engulf my dick right after that. She started sucking and stroking, and I was in heaven. Every once in a while, she would pull her mouth off, and swirl her tongue around the head, while she gently rolled my balls around in her hand.