and then you spit your Starbucks across your dashboard in horror. Who is the bonehead, no pun intended, who came up with these? They are called Bull Balls, Big Boy Nuts, Truck Balls, Truck Nuts, Truck Nutz, Bumper Nuts or Biker Nutz and they are 'made to swing'. To quote Wikipedia "truck balls resemble oversized human testicles inside scrota of various colors". I'm sorry...WHAT? That is just gross. It's not manly or cool. Do you know what this says to me? That you are a douche bag who needs a set of chrome (or aluminum) balls to compensate for your..hmm..hmm...shortcomings. LOSER!