While I'm only 16, I have a hairier belly, back, legs, arms, and butt than 50% of the grown men I know, and I apply deodorant twice a day minimum. I think I can chime it
Baby powder is an amazing thing. It removes most ball-stick issues I have experienced. At the farm I work at, we have a bottle of baby power that we pass around every morning. Good stuff. Under Armour | Men's O Series Boxerjock® 6" Boxer Briefs | 1209291 | $19.99 | USA
These are also great, just really expensive.
Lastly, commando is simply amazing.