The perineum is the area between your balls and your anus. This area can actually be an indirect way that your prostate can be stimulated. If you aren't quite man enough to go the finger in the ass route perhaps you could have your lady just touch you real hard in the perineum while she's going down on you.[ADVERTHERE]Related article: http://www.sexguideformen.com/2007/10/what-is-perineum.html