>One does not fill water a balloon and place it in one's jockstrap just for shit's and giggles
It's testicular silicone injection.
https://r.search.yahoo.com/_ylt=AwrDQpfAVAZggsIAABAXFwx.;_ylu=Y29sbwNiZjEEcG9zAzEEdnRpZAMEc2VjA3Nj/RV=2/RE=1611056449/RO=10/RU=https%3a%2f%2fwww.insider.com%2fpeople-trying-to-make-balls-bigger-with-filler-injections-2018-11%23%3a~%3atext%3dTesticle-enlargement%2520procedures%2520have%2520been%2520around%2520for%2520some%2520time%252C%2cin%2520part%2520to%2520the%2520silicone%2520injections%2520he%2520used./RK=2/RS=3WCB22CvW7wxLFPlhD9N8MSu3jw-