Truck nuts, also known as Truck nutz, truck balls, BumperNuts, BumperBalls, CargoNads, Drive-thru Danglers, Trucksticles, HitchNuggets, Balls-on-a-truck, or, as they are known in the United Kingdom, Bumper Bollocks, are plastic accessories for pickup trucks and other vehicles which resemble a pair of dangling testicles.Blair, Zachary, "Junk in the Trunk: A Queer Exploration of Truck Nutz as Contemporary Material Culture," paper presented at Queertopia, Northwestern University Graduate Student Conference, Chicago, IL, 2009.