n. - A shower that you take for the sole purpose of washing your nether regions. Many girls and metrosexual guys take a junk showers after a variety of activities such as sex, fooling around, using the bathroom, or just getting sweaty. Junk showers are essential to not smelling terrible.
1. "Dude, you smell terrible. Go get a junk shower and cancel your porno subscriptions."
2. "Wow, Tom is a really good kisser. I'm going to need a junk shower."
3. "I only take shits at home, because I have to take a junk shower afterward."