Sometimes, there's just really nothing more to add. This is one of those times. From We're not wired right:
A lack of.. uh, hmm... courage, has for many years been keeping men from showcasing their toolbags, it is no secret. Now, the pros at AussieBum have begun using "Wondercup" technology to create "appearance flattering underpants;" swimsuits and briefs that integrate a pouch used to "separate and stop squashing" the man-parts. AussieBum founder Sean Ashby quotes, "This design uses all of the natural assets of the person, whether they be big, small or indifferent. It basically lifts, separates and extends."