My hot pulsating cock stretched the thin fabric of my white briefs.
It really gave me a thrill to think that I was jerking off with other people sat just a few feet away and they didn’t even realise!
It was the first hot day of June and I was on the top deck of a double-decker bus.
The type you always see in the tourist images of London.
We would strip down to the waist and take off our shoes and socks and try to pin each other for a count of three.
I always had a raging boner even before we began, so you can imagine, after a few minutes of forcing my an arm between my best mates legs, grasping his ass and feeling the heat of his balls against my forearm I was ready to cum in my pants! On this occasion I was on the public bus travelling from my home to school.
He spotted an empty seat, across the isle from me, and casually swung himself into it, sitting at an angle with his back to the window and half facing me.