When I was 18, I started college in Chicago. I didn't have a girl friend, and was always horny, so I used to go to a porno theater every few weeks. I would sit in the dark, pull my cock out and jack off for three or four hours while watching several porno movies. This would always keep me happy for two or three weeks, then I would head back for more.
One day, I found a good seat at the back, not too close to anyone (so I thought) and proceeded to stroke myself. The movie was the first double penetration I had ever seen, and I got very involved in it. Just as I was about to unleash two weeks worth of cum, I noticed some movement to my left. I froze, and slowly turned to look. There was a women, about 40, who had moved in to get a better look at me masturbating. I was petrified, sure that she would scream for the manager, and have me thrown in jail!! I never realized that maybe she was there for the same reason that I was.
Anyway, she smiled, and whispered for me to continue. After a little coaxing, I started stroking again, and quickly shot a huge load onto the back of the seat in front of me. I don't think I had ever cum that hard or that much. She kept watching, big smile on her face, and quietly clapped her hands together. When my breathing calmed down, she motioned for me to move further back by her. I did, and discovered that her husband was there with her. She explained that they liked to come to theaters like this, watch the movies, and people, and masturbate. Would I care to join them?
Of course! I was hard again, as was her husband. She lifted her skirt to reveal no panties, and the first shaved pussy I had seen. All three of us started to masturbate, while trying to watch each other and the movies. Mostly, we masturbated ourselves, but after an hour or so, her husband invited me to finger her, and she grabbed a cock in each hand. This lasted for another hour or so, until the finale. She asked for me and her husband to jack each other off, while she furiously rubbed her pussy. The two of us guys pulled and stroked for a good twenty minutes, while she kept rubbing and moaning and whispering encouragement to us. Finally, I started shooting (not much by now!) which caused him to shoot, and she finished with a loud gasp.
Though I went back to that theater many times after, I never saw them again, and never did know their names.