The loser of a karate match has his hands bound, his pants pulled down and screams in pain as the victor plays with his tender boyberries, either pleasuring him or inflicting inhumane pain by abusing those weak balls.
I know how this big bulky bear feels - nothing gives me more pleasure than having my partner sucking my cock while crushing and squeezing my aching balls.
A horny jock in a strip club gets his comeuppance after trying to grab the dancer. She ducks his advances and grabs, twists and crushes his bulging gonads till he sobs for mercy.
A fresh-faced wrestler hunk howls his submission as his sadistic, older opponent grabs his tender boy balls and tries to squash them into his pink hole.