My desperate subbie, having gone some time without release is already feeling sensitive. Look at his balls in my hand, I squeeze and slap them really hard while he screams in pain.
I laugh at him, not believing his sudden overreaction. Then I show him what real pain is, squeezing, kicking his balls and penis with my knee and legs.
It is clear by the purple and black around his left testicle that i ruptured that one.
I intend to beat his balls off, but after several grabs, punches, kicks, I'm glad to see that I inflicted a serious injury on him.)