Yes, “blue balls” is a real phenomenon. With s*xual arousal, blood flow to the gen*tal area increases, causing the pen*s to become er*ct and the test*cles to swell. If s*xual arousal continues without ejac*lation, the blood that has accumulated in the gen*tal area may remain there for a time. This situation is commonly called “blue balls” (the medical term is “epididymal hypertension”), and can cause an aching discomfort in the test*cles. But while blue balls can be unpleasant, it’s not permanen