Haha! You finally got to cum, after all that torture, only to have a painful orgasm as well!
But it's not over, it's time for some post-orgasm torture. Take the weight off, but leave the string tied to your balls.
Your nuts are just too delicate looking. Give them a few hard smacks!
*giggle* It hurts even more after you've cum! This is just too great.
Grab them and pull them up towards you, and punch them 5 times.
Flick each nut 10 times, keep them pulled towards you though, I want you to flick the soft underside.
20 hard slaps. I want you screaming in pain with each hit.
Once you're done you can clean up and go. It's been fun, I hope you come back soon.
(Do not continue, this is the end.)