Is your diaper full, or are you just trying to infuse some Justin Bieber into your adult life? Drop crotch pants look gross on everyone, especially on guys over 30. You shouldn't perpetuate the inevitable saggy sack to come in the next 20 years of your life, so cherish these times when all of your parts are close to you. It's totally cool if you are a ninja, but you are not a ninja, so leave these alone.