Blue balls is a slang term for a medical condition called epididymal hypertension. This condition occurs when prolonged sexual arousal without ejaculation causes fluid to build up in the testicles.

“Blue balls” is the achy feeling you might get in your scrotum when you get sexually aroused but don't have an orgasm. Doctors call it epididymal hypertension, though it's not considered a medical ...

Blue balls is a condition that causes aching in testicles when you're turned on but don't orgasm. The symptoms of blue balls include heaviness, dull pain, and swelling. Blue balls don't actually turn ...

Blue balls occur when an erection lasts for an extended period of time without ejaculation. It can be uncomfortable but usually isn’t serious. Blue balls, known medically as epididymal hypertension ...