Semenized Share definition Flag When the sperm exit the epididymus semen is added to the cell conglomeration. Thus, the sperm cells are semenized. "The sperm cells entered the urethra and were semenized by the prostate gland." Semenized by Asa M. April 16, 2007 0 0 Get merch Get the Semenized mug. Buy Now — $32.95 See more merch