I don't know what a going on. But when is sit or stand or walk I have very uncomfortable feeling with right testicle I don't feel any pain but my right thigh feels uncomfortable and when I walk or sit for longer time my right testicle comes up front and raises up above the testis which makes whole time very uncomfortable. ..
It may be epididymitis, a swelling of the epididymis. See your urologist for an examination.
Pain often is reduced by lying down.
It can indicate an STD. Treatment can be via antibiotics or in some cases surgery may be required.