For all the clueless dudes out there, and also for all of you who have never seen the infomercial on QVC that runs every so often at 3am, these are what we call "magic pants." Lumpy butts, begone!
Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.