Valsalva maneuver, possible varicocele (I have experience with this balls hurt, I could barely walk) or maybe Testicular torsion. Hope you’re ok, go get checked out ASAP.well, this day took a turn south. was just warming up on my leg workout. was doing some warm up sets on squats went down with 185 felt like my balls were on fire, racked it and hit the floor. finally got up sat down, went down again in pain. now I am resting on the couch dreading seeing a dr.