Slate Plus members get ad-free podcasts and bonus episodes of shows like Dear Prudence and Slow Burn. Sign up now to listen and support our work.Truck Nutz are a brand name for the dangling plastic testicles some people affix to the bumper or hitch of their vehicle. Also known as Bull’s Balls, Your Nutz, and other brand names, these plastic novelties have a powerful symbolic charge and are often associated with a crass, macho, red state audience. But Truck Nutz are a surprisingly complicated signifier, one whose symbolic power is increasingly divorced from their real-world usage.Learn more about your ad choices. Visit megaphone.fm/adchoices