Not really interested in standing with your pants down on a public street, you get them back up and close them off before heading home to get a closer look at your junk, at least for a quick minute before you get yourself to a hospital.
It doesn't take long to get home, but the whole way there your penis is about as erect as it's ever been. By the time you're in the door, you've already made one decision: the hospital can wait, you've got to rub one out. As soon as you're in the door you rush for the bathroom, taking your pants back down and letting out a bloodcurdling scream as soon as you move down to do your business.
Your member's looking about the same as usual aside from the constant erection, but your testacles look like they've gone through some serious changes. Your ballsack itself now has a smooth, hairless pink rubber surface that matches the stuff that needle had forced into it, and your nuts look like they've more than doubled in size, the pair of them continuing to grow at an accelerating rate as your now rubbery sack has the give to stretch with them. They inflate until they're each probably about the size of a baseball before the constant expansion finally stops, leaving them looking pretty out-of-place sitting underneath your unchanged dick.