This is true, happened two weeks ago.
I went to a department store and I saw this dude coming out of the restroom, he kind of looks at me a bit longer than usual but I didn't think much about it... he was about 28 or 30, 5'10' nice build, jeans and a t-shirt... dark hair, clean shaved, nice looking.
I took a lap around the store, not sure where he went. Finally, on the other side of the store, I saw him, he was way, way away from me five or six aisles away. As he went around the corner I saw him turn to look my way. Hmmmmm I think. So I head that way. I don't see him, so I head back and there he is again, again far away but he sees me again.
I get what I need and head to the front of the store, he was way ahead of me but I saw him go to the restroom... I couldn't help it so I followed him in. I thought he would be at the urinals but he was in a stall. I went to the sink and pretended to wash my hands, in the mirror I saw him, he had his dick out, waving it around. I turned and face the stall and peered in.
He opened the door but I stayed outside and watched. When he saw I was not coming in he sat on the toilet and started stroking in earnest. He asked if I wanted to touch it, I didn't answer, I was just mesmerized by the sight. He did not look, act or sound gay but here he was stroking in front of me. I was so fucking turned on I started rubbing my crotch through my jeans.
I get a huge bulge when I get going, he is staring at it and my face. His dick was not big, maybe five inches, average thickness but it was a nice looking piece of meat. So this goes on for a few minutes then suddenly he stands up again and his dick is now a little bigger and I think OMG he is going to shoot on the wall! I'm quietly moaning and rubbing myself and he just shoots right there, four to five ropes shoot about two feet and plop on the floor.
He shakes his dick and zips up quick. At the sink he asks me if I'm gay or straight. I hold out my left hand and point to my ring and said, 'but that was fucking hot.' He smiled and left. I looked at the cum on the floor and felt sorry for the cleaner! In the parking lot and I saw him getting into a new pick up truck. I got home and checked my briefs, huge pre-cum. Wife and I had hot sex later!