Jeff should have known better than to touch someone else's jock. He had just had the best orgasm of his life but now his balls weren't the focus. He could see and feel out of the whole jockstrap. He was the jockstrap. Jeff could taste a bit of his own cum where he'd spilled it on his new body. This Jock would fit. He would stretch Jeff out.
The giant jock stepped into the straps and pulls it on. Jeff screams as the hairy thighs come closer, but no one is listening. The world goes dark as the older jock gets dressed. Jeff can taste him but he sees nothing. He is rubbed against the Jock's crotch and against strangers he can't see in the interminable torture of football practice. His dick is nearly as big as his entire body. He feels every pull on his straps. Jeff wants more, Jeff wants to vomit, Jeff wants to escape. Sweat soaks every fiber from his owner. That is how he had begun to see the nameless Jock after 3 hours alone with his junk.
As all things must, practice came to an end. The light returened and Jeff knew his Master was taking off his uniform. The Jock kneaded Jeff to get some friction on his dick and Jeff tried once more to call for mercy, "Please no, I'm a person." The Jock paused and frowned down at his jock for a moment Then...