When wearing gym/running/mesh shorts with the waist low enough to see boxers/underwear, a bro is able to use the inside of his underwear to hold valuables such as cell phone and car keys. Object will be held up from falling down by waist band of shorts, and held up against body by underwear.
Dude you need to borrow a phone? I got you! Let me get it from my brotility belt.
by lawofbroski October 27, 2010
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