Originally Posted by Unknown_kid
IAMSAM, the sensation of orgasam, is all your stomach muscles contracting, then when semen comes, it feals as if u need to urinate.
Not exactly. The sensation of orgasm seems to start in that area between your scrotum and anus, as a pulsating sensation, there are muscles there that contract, that quickly spreads to your penis. There's no need to urinate unless you have to!