Top Definition
an organ that surrounds the urethra of males at the base of the bladder, comprising a muscular portion, which controls the release of urine, and a glandular portion, which secretes an alkaline fluid that makes up part of the semen and enhances the motility and fertility of sperm.
my jizz pump was hurtin because I skeeted so hard on that bitch
by CC3631 October 05, 2008
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